5138402425 has 24 divisors (see below), whose sum is σ = 6866051864. Its totient is φ = 3792130560.

The previous prime is 5138402413. The next prime is 5138402441. The reversal of 5138402425 is 5242048315.

It can be written as a sum of positive squares in 12 ways, for example, as 2236533264 + 2901869161 = 47292^2 + 53869^2 .

It is not a de Polignac number, because 5138402425 - 2⁹ = 5138401913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643759 + ... + 651691.

Almost surely, 2^5138402425 is an apocalyptic number.

It is an amenable number.

5138402425 is a deficient number, since it is larger than the sum of its proper divisors (1727649439).

5138402425 is a wasteful number, since it uses less digits than its factorization.

5138402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949 (or 9944 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 5138402425 is about 71682.6507950145. The cubic root of 5138402425 is about 1725.6102216907.

The spelling of 5138402425 in words is "five billion, one hundred thirty-eight million, four hundred two thousand, four hundred twenty-five".