1725639264164 has 12 divisors (see below), whose sum is σ = 3056252673264. Its totient is φ = 852424214664.

The previous prime is 1725639264161. The next prime is 1725639264191. The reversal of 1725639264164 is 4614629365271.

It is not an unprimeable number, because it can be changed into a prime (1725639264161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598853982 + ... + 2598854645.

It is an arithmetic number, because the mean of its divisors is an integer number (254687722772).

Almost surely, 2^{1725639264164} is an apocalyptic number.

It is an amenable number.

1725639264164 is a deficient number, since it is larger than the sum of its proper divisors (1330613409100).

1725639264164 is a wasteful number, since it uses less digits than its factorization.

1725639264164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197708714 (or 5197708712 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 1725639264164 in words is "one trillion, seven hundred twenty-five billion, six hundred thirty-nine million, two hundred sixty-four thousand, one hundred sixty-four".