32555613643 has 16 divisors (see below), whose sum is σ = 38547783360. Its totient is φ = 26901705600.

The previous prime is 32555613617. The next prime is 32555613653. The reversal of 32555613643 is 34631655523.

It is not a de Polignac number, because 32555613643 - 2⁹ = 32555613131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32555613643.

It is not an unprimeable number, because it can be changed into a prime (32555613653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12873 + ... + 255493.

It is an arithmetic number, because the mean of its divisors is an integer number (2409236460).

Almost surely, 2^32555613643 is an apocalyptic number.

32555613643 is a deficient number, since it is larger than the sum of its proper divisors (5992169717).

32555613643 is a wasteful number, since it uses less digits than its factorization.

32555613643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243318.

The product of its digits is 972000, while the sum is 43.

The spelling of 32555613643 in words is "thirty-two billion, five hundred fifty-five million, six hundred thirteen thousand, six hundred forty-three".