1045859684989 has 8 divisors (see below), whose sum is σ = 1195274396288. Its totient is φ = 896446519920.

The previous prime is 1045859684977. The next prime is 1045859685007. The reversal of 1045859684989 is 9894869585401.

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

It is not a de Polignac number, because 1045859684989 - 2¹¹ = 1045859682941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045851684989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483104 + ... + 2873590.

It is an arithmetic number, because the mean of its divisors is an integer number (149409299536).

Almost surely, 2^{1045859684989} is an apocalyptic number.

It is an amenable number.

1045859684989 is a deficient number, since it is larger than the sum of its proper divisors (149414711299).

1045859684989 is an equidigital number, since it uses as much as digits as its factorization.

1045859684989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773115.

The product of its (nonzero) digits is 895795200, while the sum is 76.

The spelling of 1045859684989 in words is "one trillion, forty-five billion, eight hundred fifty-nine million, six hundred eighty-four thousand, nine hundred eighty-nine".