6598638925 has 12 divisors (see below), whose sum is σ = 8285888320. Its totient is φ = 5212087920.

The previous prime is 6598638923. The next prime is 6598638973. The reversal of 6598638925 is 5298368956.

It is not a de Polignac number, because 6598638925 - 2¹ = 6598638923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6598638923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668567 + ... + 1672516.

Almost surely, 2^6598638925 is an apocalyptic number.

It is an amenable number.

6598638925 is a deficient number, since it is larger than the sum of its proper divisors (1687249395).

6598638925 is a wasteful number, since it uses less digits than its factorization.

6598638925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341172 (or 3341167 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 61.

The square root of 6598638925 is about 81232.0067768857. The cubic root of 6598638925 is about 1875.6485033810.

The spelling of 6598638925 in words is "six billion, five hundred ninety-eight million, six hundred thirty-eight thousand, nine hundred twenty-five".