326554311623413 has 2 divisors, whose sum is σ = 326554311623414. Its totient is φ = 326554311623412.

The previous prime is 326554311623339. The next prime is 326554311623503. The reversal of 326554311623413 is 314326113455623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285955980114289 + 40598331509124 = 16910233^2 + 6371682^2 .

It is a cyclic number.

It is not a de Polignac number, because 326554311623413 - 2¹³ = 326554311615221 is a prime.

It is a super-2 number, since 2×326554311623413² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326554311623213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163277155811706 + 163277155811707.

It is an arithmetic number, because the mean of its divisors is an integer number (163277155811707).

Almost surely, 2^{326554311623413} is an apocalyptic number.

It is an amenable number.

326554311623413 is a deficient number, since it is larger than the sum of its proper divisors (1).

326554311623413 is an equidigital number, since it uses as much as digits as its factorization.

326554311623413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 49.

The spelling of 326554311623413 in words is "three hundred twenty-six trillion, five hundred fifty-four billion, three hundred eleven million, six hundred twenty-three thousand, four hundred thirteen".