32564881291 has 2 divisors, whose sum is σ = 32564881292. Its totient is φ = 32564881290.

The previous prime is 32564881259. The next prime is 32564881331. The reversal of 32564881291 is 19218846523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32564881291 - 2⁵ = 32564881259 is a prime.

It is not a weakly prime, because it can be changed into another prime (32564881241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16282440645 + 16282440646.

It is an arithmetic number, because the mean of its divisors is an integer number (16282440646).

Almost surely, 2^32564881291 is an apocalyptic number.

32564881291 is a deficient number, since it is larger than the sum of its proper divisors (1).

32564881291 is an equidigital number, since it uses as much as digits as its factorization.

32564881291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 49.

The spelling of 32564881291 in words is "thirty-two billion, five hundred sixty-four million, eight hundred eighty-one thousand, two hundred ninety-one".