326416663253 has 2 divisors, whose sum is σ = 326416663254. Its totient is φ = 326416663252.

The previous prime is 326416663231. The next prime is 326416663333. The reversal of 326416663253 is 352366614623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325034533924 + 1382129329 = 570118^2 + 37177^2 .

It is a cyclic number.

It is not a de Polignac number, because 326416663253 - 2¹⁸ = 326416401109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326416663198 and 326416663207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326416683253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163208331626 + 163208331627.

It is an arithmetic number, because the mean of its divisors is an integer number (163208331627).

Almost surely, 2^326416663253 is an apocalyptic number.

It is an amenable number.

326416663253 is a deficient number, since it is larger than the sum of its proper divisors (1).

326416663253 is an equidigital number, since it uses as much as digits as its factorization.

326416663253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 47.

The spelling of 326416663253 in words is "three hundred twenty-six billion, four hundred sixteen million, six hundred sixty-three thousand, two hundred fifty-three".