331834986857 has 4 divisors (see below), whose sum is σ = 362001803856. Its totient is φ = 301668169860.

The previous prime is 331834986851. The next prime is 331834986859. The reversal of 331834986857 is 758689438133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331834986857 is a prime.

It is a super-2 number, since 2×331834986857² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331834986793 and 331834986802.

It is not an unprimeable number, because it can be changed into a prime (331834986851) 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, 15083408483 + ... + 15083408504.

It is an arithmetic number, because the mean of its divisors is an integer number (90500450964).

Almost surely, 2^331834986857 is an apocalyptic number.

It is an amenable number.

331834986857 is a deficient number, since it is larger than the sum of its proper divisors (30166816999).

331834986857 is a wasteful number, since it uses less digits than its factorization.

331834986857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30166816998.

The product of its digits is 104509440, while the sum is 65.

The spelling of 331834986857 in words is "three hundred thirty-one billion, eight hundred thirty-four million, nine hundred eighty-six thousand, eight hundred fifty-seven".