5639149925 has 6 divisors (see below), whose sum is σ = 6992545938. Its totient is φ = 4511319920.

The previous prime is 5639149889. The next prime is 5639149927. The reversal of 5639149925 is 5299419365.

It can be written as a sum of positive squares in 3 ways, for example, as 907636129 + 4731513796 = 30127^2 + 68786^2 .

It is not a de Polignac number, because 5639149925 - 2⁶ = 5639149861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639149927) 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, 112782974 + ... + 112783023.

It is an arithmetic number, because the mean of its divisors is an integer number (1165424323).

Almost surely, 2^5639149925 is an apocalyptic number.

It is an amenable number.

5639149925 is a deficient number, since it is larger than the sum of its proper divisors (1353396013).

5639149925 is a wasteful number, since it uses less digits than its factorization.

5639149925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225566007 (or 225566002 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 53.

The square root of 5639149925 is about 75094.2735832766. The cubic root of 5639149925 is about 1779.9366561013.

The spelling of 5639149925 in words is "five billion, six hundred thirty-nine million, one hundred forty-nine thousand, nine hundred twenty-five".