326163302513 has 2 divisors, whose sum is σ = 326163302514. Its totient is φ = 326163302512.

The previous prime is 326163302503. The next prime is 326163302527. The reversal of 326163302513 is 315203361623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294775156624 + 31388145889 = 542932^2 + 177167^2 .

It is a cyclic number.

It is not a de Polignac number, because 326163302513 - 2³⁰ = 325089560689 is a prime.

It is not a weakly prime, because it can be changed into another prime (326163302503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163081651256 + 163081651257.

It is an arithmetic number, because the mean of its divisors is an integer number (163081651257).

Almost surely, 2^326163302513 is an apocalyptic number.

It is an amenable number.

326163302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

326163302513 is an equidigital number, since it uses as much as digits as its factorization.

326163302513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 326163302513 in words is "three hundred twenty-six billion, one hundred sixty-three million, three hundred two thousand, five hundred thirteen".