32564646479 has 2 divisors, whose sum is σ = 32564646480. Its totient is φ = 32564646478.

The previous prime is 32564646451. The next prime is 32564646509. The reversal of 32564646479 is 97464646523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32564646479 - 2³² = 28269679183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32564646379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16282323239 + 16282323240.

It is an arithmetic number, because the mean of its divisors is an integer number (16282323240).

Almost surely, 2^32564646479 is an apocalyptic number.

32564646479 is a deficient number, since it is larger than the sum of its proper divisors (1).

32564646479 is an equidigital number, since it uses as much as digits as its factorization.

32564646479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 56.

The spelling of 32564646479 in words is "thirty-two billion, five hundred sixty-four million, six hundred forty-six thousand, four hundred seventy-nine".