326634620614649 has 2 divisors, whose sum is σ = 326634620614650. Its totient is φ = 326634620614648.

The previous prime is 326634620614633. The next prime is 326634620614747. The reversal of 326634620614649 is 946416026436623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176972868703225 + 149661751911424 = 13303115^2 + 12233632^2 .

It is a cyclic number.

It is not a de Polignac number, because 326634620614649 - 2⁴ = 326634620614633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326634620614591 and 326634620614600.

It is not a weakly prime, because it can be changed into another prime (326634620614849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163317310307324 + 163317310307325.

It is an arithmetic number, because the mean of its divisors is an integer number (163317310307325).

Almost surely, 2^{326634620614649} is an apocalyptic number.

It is an amenable number.

326634620614649 is a deficient number, since it is larger than the sum of its proper divisors (1).

326634620614649 is an equidigital number, since it uses as much as digits as its factorization.

326634620614649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161243136, while the sum is 62.

The spelling of 326634620614649 in words is "three hundred twenty-six trillion, six hundred thirty-four billion, six hundred twenty million, six hundred fourteen thousand, six hundred forty-nine".