331976696873 has 2 divisors, whose sum is σ = 331976696874. Its totient is φ = 331976696872.

The previous prime is 331976696827. The next prime is 331976696879. The reversal of 331976696873 is 378696679133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253081437184 + 78895259689 = 503072^2 + 280883^2 .

It is a cyclic number.

It is not a de Polignac number, because 331976696873 - 2⁸ = 331976696617 is a prime.

It is a super-2 number, since 2×331976696873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331976696879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165988348436 + 165988348437.

It is an arithmetic number, because the mean of its divisors is an integer number (165988348437).

Almost surely, 2^331976696873 is an apocalyptic number.

It is an amenable number.

331976696873 is a deficient number, since it is larger than the sum of its proper divisors (1).

331976696873 is an equidigital number, since it uses as much as digits as its factorization.

331976696873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185177664, while the sum is 68.

The spelling of 331976696873 in words is "three hundred thirty-one billion, nine hundred seventy-six million, six hundred ninety-six thousand, eight hundred seventy-three".