325638641009 has 16 divisors (see below), whose sum is σ = 392492615040. Its totient is φ = 266507324160.

The previous prime is 325638640991. The next prime is 325638641023. The reversal of 325638641009 is 900146836523.

It is not a de Polignac number, because 325638641009 - 2²⁸ = 325370205553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325638641099) 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, 37851854 + ... + 37860455.

It is an arithmetic number, because the mean of its divisors is an integer number (24530788440).

Almost surely, 2^325638641009 is an apocalyptic number.

It is an amenable number.

325638641009 is a deficient number, since it is larger than the sum of its proper divisors (66853974031).

325638641009 is a wasteful number, since it uses less digits than its factorization.

325638641009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75712360.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 325638641009 in words is "three hundred twenty-five billion, six hundred thirty-eight million, six hundred forty-one thousand, nine".