326934635551 has 2 divisors, whose sum is σ = 326934635552. Its totient is φ = 326934635550.

The previous prime is 326934635411. The next prime is 326934635591. The reversal of 326934635551 is 155536439623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326934635551 - 2⁹ = 326934635039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326934635591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163467317775 + 163467317776.

It is an arithmetic number, because the mean of its divisors is an integer number (163467317776).

Almost surely, 2^326934635551 is an apocalyptic number.

326934635551 is a deficient number, since it is larger than the sum of its proper divisors (1).

326934635551 is an equidigital number, since it uses as much as digits as its factorization.

326934635551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748000, while the sum is 52.

The spelling of 326934635551 in words is "three hundred twenty-six billion, nine hundred thirty-four million, six hundred thirty-five thousand, five hundred fifty-one".