32500340645 has 18 divisors (see below), whose sum is σ = 40101365682. Its totient is φ = 25285952736.

The previous prime is 32500340611. The next prime is 32500340657. The reversal of 32500340645 is 54604300523.

It can be written as a sum of positive squares in 3 ways, for example, as 15972409924 + 16527930721 = 126382^2 + 128561^2 .

It is not a de Polignac number, because 32500340645 - 2¹⁶ = 32500275109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14914166 + ... + 14916344.

It is an arithmetic number, because the mean of its divisors is an integer number (2227853649).

Almost surely, 2^32500340645 is an apocalyptic number.

It is an amenable number.

32500340645 is a deficient number, since it is larger than the sum of its proper divisors (7601025037).

32500340645 is an frugal number, since it uses more digits than its factorization.

32500340645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 32500340645 in words is "thirty-two billion, five hundred million, three hundred forty thousand, six hundred forty-five".