70044723157839 has 16 divisors (see below), whose sum is σ = 97616221632000. Its totient is φ = 44591632301216.

The previous prime is 70044723157789. The next prime is 70044723157847. The reversal of 70044723157839 is 93875132744007.

It is not a de Polignac number, because 70044723157839 - 2²³ = 70044714769231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70044723157879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847321704 + ... + 847404365.

It is an arithmetic number, because the mean of its divisors is an integer number (6101013852000).

Almost surely, 2^{70044723157839} is an apocalyptic number.

70044723157839 is a deficient number, since it is larger than the sum of its proper divisors (27571498474161).

70044723157839 is a wasteful number, since it uses less digits than its factorization.

70044723157839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694726694.

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 70044723157839 in words is "seventy trillion, forty-four billion, seven hundred twenty-three million, one hundred fifty-seven thousand, eight hundred thirty-nine".