39545225799 has 16 divisors (see below), whose sum is σ = 53121235200. Its totient is φ = 26166974976.

The previous prime is 39545225779. The next prime is 39545225803. The reversal of 39545225799 is 99752254593.

It is not a de Polignac number, because 39545225799 - 2⁹ = 39545225287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39545225779) 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, 176392 + ... + 331970.

It is an arithmetic number, because the mean of its divisors is an integer number (3320077200).

Almost surely, 2^39545225799 is an apocalyptic number.

39545225799 is a deficient number, since it is larger than the sum of its proper divisors (13576009401).

39545225799 is a wasteful number, since it uses less digits than its factorization.

39545225799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156214.

The product of its digits is 30618000, while the sum is 60.

The spelling of 39545225799 in words is "thirty-nine billion, five hundred forty-five million, two hundred twenty-five thousand, seven hundred ninety-nine".