36564942431 has 2 divisors, whose sum is σ = 36564942432. Its totient is φ = 36564942430.

The previous prime is 36564942373. The next prime is 36564942437. The reversal of 36564942431 is 13424946563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36564942431 - 2⁶ = 36564942367 is a prime.

It is a super-2 number, since 2×36564942431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36564942437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18282471215 + 18282471216.

It is an arithmetic number, because the mean of its divisors is an integer number (18282471216).

Almost surely, 2^36564942431 is an apocalyptic number.

36564942431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36564942431 is an equidigital number, since it uses as much as digits as its factorization.

36564942431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 47.

The spelling of 36564942431 in words is "thirty-six billion, five hundred sixty-four million, nine hundred forty-two thousand, four hundred thirty-one".