1042869967829 has 8 divisors (see below), whose sum is σ = 1046961336408. Its totient is φ = 1038778859520.

The previous prime is 1042869967751. The next prime is 1042869967837. The reversal of 1042869967829 is 9287699682401.

It can be written as a sum of positive squares in 4 ways, for example, as 180157802500 + 862712165329 = 424450^2 + 928823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042869967829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042869967129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13407719 + ... + 13485275.

It is an arithmetic number, because the mean of its divisors is an integer number (130870167051).

Almost surely, 2^{1042869967829} is an apocalyptic number.

It is an amenable number.

1042869967829 is a deficient number, since it is larger than the sum of its proper divisors (4091368579).

1042869967829 is an equidigital number, since it uses as much as digits as its factorization.

1042869967829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130135.

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 1042869967829 in words is "one trillion, forty-two billion, eight hundred sixty-nine million, nine hundred sixty-seven thousand, eight hundred twenty-nine".