320694733979 has 2 divisors, whose sum is σ = 320694733980. Its totient is φ = 320694733978.

The previous prime is 320694733949. The next prime is 320694734039. The reversal of 320694733979 is 979337496023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320694733979 - 2²⁸ = 320426298523 is a prime.

It is a super-2 number, since 2×320694733979² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320694733949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160347366989 + 160347366990.

It is an arithmetic number, because the mean of its divisors is an integer number (160347366990).

Almost surely, 2^320694733979 is an apocalyptic number.

320694733979 is a deficient number, since it is larger than the sum of its proper divisors (1).

320694733979 is an equidigital number, since it uses as much as digits as its factorization.

320694733979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46294416, while the sum is 62.

The spelling of 320694733979 in words is "three hundred twenty billion, six hundred ninety-four million, seven hundred thirty-three thousand, nine hundred seventy-nine".