326555234120653 has 2 divisors, whose sum is σ = 326555234120654. Its totient is φ = 326555234120652.

The previous prime is 326555234120597. The next prime is 326555234120677. The reversal of 326555234120653 is 356021432555623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259963318130884 + 66591915989769 = 16123378^2 + 8160387^2 .

It is an emirp because it is prime and its reverse (356021432555623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 326555234120653 - 2²⁹ = 326554697249741 is a prime.

It is a super-2 number, since 2×326555234120653² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 326555234120653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326555234120953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163277617060326 + 163277617060327.

It is an arithmetic number, because the mean of its divisors is an integer number (163277617060327).

Almost surely, 2^{326555234120653} is an apocalyptic number.

It is an amenable number.

326555234120653 is a deficient number, since it is larger than the sum of its proper divisors (1).

326555234120653 is an equidigital number, since it uses as much as digits as its factorization.

326555234120653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 326555234120653 in words is "three hundred twenty-six trillion, five hundred fifty-five billion, two hundred thirty-four million, one hundred twenty thousand, six hundred fifty-three".