326467994453 has 2 divisors, whose sum is σ = 326467994454. Its totient is φ = 326467994452.

The previous prime is 326467994449. The next prime is 326467994477. The reversal of 326467994453 is 354499764623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273714173329 + 52753821124 = 523177^2 + 229682^2 .

It is a cyclic number.

It is not a de Polignac number, because 326467994453 - 2² = 326467994449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326467994443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163233997226 + 163233997227.

It is an arithmetic number, because the mean of its divisors is an integer number (163233997227).

Almost surely, 2^326467994453 is an apocalyptic number.

It is an amenable number.

326467994453 is a deficient number, since it is larger than the sum of its proper divisors (1).

326467994453 is an equidigital number, since it uses as much as digits as its factorization.

326467994453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 62.

The spelling of 326467994453 in words is "three hundred twenty-six billion, four hundred sixty-seven million, nine hundred ninety-four thousand, four hundred fifty-three".