6113925639 has 6 divisors (see below), whose sum is σ = 8831225936. Its totient is φ = 4075950420.

The previous prime is 6113925637. The next prime is 6113925673. The reversal of 6113925639 is 9365293116.

6113925639 is a `hidden beast` number, since 6 + 1 + 1 + 3 + 9 + 2 + 5 + 639 = 666.

It is not a de Polignac number, because 6113925639 - 2¹ = 6113925637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6113925594 and 6113925603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6113925637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339662527 + ... + 339662544.

Almost surely, 2^6113925639 is an apocalyptic number.

6113925639 is a deficient number, since it is larger than the sum of its proper divisors (2717300297).

6113925639 is a wasteful number, since it uses less digits than its factorization.

6113925639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679325077 (or 679325074 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 6113925639 is about 78191.5957056767. The cubic root of 6113925639 is about 1828.5494830237.

The spelling of 6113925639 in words is "six billion, one hundred thirteen million, nine hundred twenty-five thousand, six hundred thirty-nine".