356399496317 has 2 divisors, whose sum is σ = 356399496318. Its totient is φ = 356399496316.

The previous prime is 356399496293. The next prime is 356399496359. The reversal of 356399496317 is 713694993653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336648285796 + 19751210521 = 580214^2 + 140539^2 .

It is an emirp because it is prime and its reverse (713694993653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 356399496317 - 2²⁴ = 356382719101 is a prime.

It is a super-2 number, since 2×356399496317² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356399499317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178199748158 + 178199748159.

It is an arithmetic number, because the mean of its divisors is an integer number (178199748159).

Almost surely, 2^356399496317 is an apocalyptic number.

It is an amenable number.

356399496317 is a deficient number, since it is larger than the sum of its proper divisors (1).

356399496317 is an equidigital number, since it uses as much as digits as its factorization.

356399496317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99202320, while the sum is 65.

The spelling of 356399496317 in words is "three hundred fifty-six billion, three hundred ninety-nine million, four hundred ninety-six thousand, three hundred seventeen".