38495289172 has 12 divisors (see below), whose sum is σ = 69009847956. Its totient is φ = 18778189760.

The previous prime is 38495289143. The next prime is 38495289181. The reversal of 38495289172 is 27198259483.

It can be written as a sum of positive squares in 2 ways, for example, as 12842782276 + 25652506896 = 113326^2 + 160164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117363523 + ... + 117363850.

It is an arithmetic number, because the mean of its divisors is an integer number (5750820663).

Almost surely, 2^38495289172 is an apocalyptic number.

It is an amenable number.

38495289172 is a deficient number, since it is larger than the sum of its proper divisors (30514558784).

38495289172 is a wasteful number, since it uses less digits than its factorization.

38495289172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234727418 (or 234727416 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 38495289172 in words is "thirty-eight billion, four hundred ninety-five million, two hundred eighty-nine thousand, one hundred seventy-two".