9959258236723 has 16 divisors (see below), whose sum is σ = 10446452862976. Its totient is φ = 9483626149920.

The previous prime is 9959258236703. The next prime is 9959258236813. The reversal of 9959258236723 is 3276328529599.

It is a cyclic number.

It is not a de Polignac number, because 9959258236723 - 2⁵ = 9959258236691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9959258236703) 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, 9432111 + ... + 10434712.

It is an arithmetic number, because the mean of its divisors is an integer number (652903303936).

Almost surely, 2^{9959258236723} is an apocalyptic number.

9959258236723 is a deficient number, since it is larger than the sum of its proper divisors (487194626253).

9959258236723 is a wasteful number, since it uses less digits than its factorization.

9959258236723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867114.

The product of its digits is 440899200, while the sum is 70.

The spelling of 9959258236723 in words is "nine trillion, nine hundred fifty-nine billion, two hundred fifty-eight million, two hundred thirty-six thousand, seven hundred twenty-three".