331774740865 has 8 divisors (see below), whose sum is σ = 400513700160. Its totient is φ = 263830451952.

The previous prime is 331774740793. The next prime is 331774740877. The reversal of 331774740865 is 568047477133.

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

It is a cyclic number.

It is not a de Polignac number, because 331774740865 - 2¹¹ = 331774738817 is a prime.

It is a super-2 number, since 2×331774740865² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198666675 + ... + 198668344.

It is an arithmetic number, because the mean of its divisors is an integer number (50064212520).

Almost surely, 2^331774740865 is an apocalyptic number.

It is an amenable number.

331774740865 is a deficient number, since it is larger than the sum of its proper divisors (68738959295).

331774740865 is a wasteful number, since it uses less digits than its factorization.

331774740865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397335191.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 331774740865 in words is "three hundred thirty-one billion, seven hundred seventy-four million, seven hundred forty thousand, eight hundred sixty-five".