32646056639 has 16 divisors (see below), whose sum is σ = 38602552320. Its totient is φ = 27013066080.

The previous prime is 32646056627. The next prime is 32646056647. The reversal of 32646056639 is 93665064623.

It is a de Polignac number, because none of the positive numbers 2^k-32646056639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32646056699) 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 in 15 ways as a sum of consecutive naturals, for example, 2067404 + ... + 2083134.

It is an arithmetic number, because the mean of its divisors is an integer number (2412659520).

Almost surely, 2^32646056639 is an apocalyptic number.

32646056639 is a deficient number, since it is larger than the sum of its proper divisors (5956495681).

32646056639 is a wasteful number, since it uses less digits than its factorization.

32646056639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25990.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 32646056639 in words is "thirty-two billion, six hundred forty-six million, fifty-six thousand, six hundred thirty-nine".