676389464801 has 2 divisors, whose sum is σ = 676389464802. Its totient is φ = 676389464800.

The previous prime is 676389464791. The next prime is 676389464819. The reversal of 676389464801 is 108464983676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541718080225 + 134671384576 = 736015^2 + 366976^2 .

It is a cyclic number.

It is not a de Polignac number, because 676389464801 - 2²⁶ = 676322355937 is a prime.

It is not a weakly prime, because it can be changed into another prime (676389434801) 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, 338194732400 + 338194732401.

It is an arithmetic number, because the mean of its divisors is an integer number (338194732401).

Almost surely, 2^676389464801 is an apocalyptic number.

It is an amenable number.

676389464801 is a deficient number, since it is larger than the sum of its proper divisors (1).

676389464801 is an equidigital number, since it uses as much as digits as its factorization.

676389464801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 676389464801 in words is "six hundred seventy-six billion, three hundred eighty-nine million, four hundred sixty-four thousand, eight hundred one".