1042765893 has 20 divisors (see below), whose sum is σ = 1677537708. Its totient is φ = 641701440.

The previous prime is 1042765877. The next prime is 1042765909. The reversal of 1042765893 is 3985672401.

1042765893 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1042765877) and next prime (1042765909).

It can be written as a sum of positive squares in 2 ways, for example, as 706336929 + 336428964 = 26577^2 + 18342^2 .

It is not a de Polignac number, because 1042765893 - 2⁴ = 1042765877 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 104 and 2765893 contains 1042765893 itself.

1042765893 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042765393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 494088 + ... + 496193.

It is a 1-persistent number, because it is pandigital, but 2⋅1042765893 = 2085531786 is not.

Almost surely, 2^1042765893 is an apocalyptic number.

1042765893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1042765893 is a deficient number, since it is larger than the sum of its proper divisors (634771815).

1042765893 is an equidigital number, since it uses as much as digits as its factorization.

1042765893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990306 (or 990297 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1042765893 is about 32291.8858693635. The cubic root of 1042765893 is about 1014.0567787960.

The spelling of 1042765893 in words is "one billion, forty-two million, seven hundred sixty-five thousand, eight hundred ninety-three".