38190899025 has 54 divisors (see below), whose sum is σ = 69222854610. Its totient is φ = 20125036800.

The previous prime is 38190899017. The next prime is 38190899059. The reversal of 38190899025 is 52099809183.

It can be written as a sum of positive squares in 9 ways, for example, as 17595491904 + 20595407121 = 132648^2 + 143511^2 .

It is not a de Polignac number, because 38190899025 - 2³ = 38190899017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 27653835 + ... + 27655215.

It is an arithmetic number, because the mean of its divisors is an integer number (1281904715).

Almost surely, 2^38190899025 is an apocalyptic number.

It is an amenable number.

38190899025 is a deficient number, since it is larger than the sum of its proper divisors (31031955585).

38190899025 is an equidigital number, since it uses as much as digits as its factorization.

38190899025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 38190899025 in words is "thirty-eight billion, one hundred ninety million, eight hundred ninety-nine thousand, twenty-five".