32405921954051 has 16 divisors (see below), whose sum is σ = 33837376123200. Its totient is φ = 30976346636928.

The previous prime is 32405921954039. The next prime is 32405921954057. The reversal of 32405921954051 is 15045912950423.

It is a cyclic number.

It is not a de Polignac number, because 32405921954051 - 2²⁶ = 32405854845187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32405921954057) 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, 443898485 + ... + 443971481.

It is an arithmetic number, because the mean of its divisors is an integer number (2114836007700).

Almost surely, 2^{32405921954051} is an apocalyptic number.

32405921954051 is a deficient number, since it is larger than the sum of its proper divisors (1431454169149).

32405921954051 is a wasteful number, since it uses less digits than its factorization.

32405921954051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85598.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 32405921954051 in words is "thirty-two trillion, four hundred five billion, nine hundred twenty-one million, nine hundred fifty-four thousand, fifty-one".