3312394123957 has 4 divisors (see below), whose sum is σ = 3426614611020. Its totient is φ = 3198173636896.

The previous prime is 3312394123919. The next prime is 3312394123991. The reversal of 3312394123957 is 7593214932133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 613713993201 + 2698680130756 = 783399^2 + 1642766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3312394123957 is a prime.

It is a super-2 number, since 2×3312394123957² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312394123457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57110243488 + ... + 57110243545.

It is an arithmetic number, because the mean of its divisors is an integer number (856653652755).

Almost surely, 2^{3312394123957} is an apocalyptic number.

It is an amenable number.

3312394123957 is a deficient number, since it is larger than the sum of its proper divisors (114220487063).

3312394123957 is a wasteful number, since it uses less digits than its factorization.

3312394123957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114220487062.

The product of its digits is 3674160, while the sum is 52.

The spelling of 3312394123957 in words is "three trillion, three hundred twelve billion, three hundred ninety-four million, one hundred twenty-three thousand, nine hundred fifty-seven".