5131424638 has 4 divisors (see below), whose sum is σ = 7697136960. Its totient is φ = 2565712318.

The previous prime is 5131424611. The next prime is 5131424657. The reversal of 5131424638 is 8364241315.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 5131424597 and 5131424606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282856158 + ... + 1282856161.

It is an arithmetic number, because the mean of its divisors is an integer number (1924284240).

Almost surely, 2^5131424638 is an apocalyptic number.

5131424638 is a deficient number, since it is larger than the sum of its proper divisors (2565712322).

5131424638 is a wasteful number, since it uses less digits than its factorization.

5131424638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565712321.

The product of its digits is 69120, while the sum is 37.

The square root of 5131424638 is about 71633.9628807453. The cubic root of 5131424638 is about 1724.8287599252.

The spelling of 5131424638 in words is "five billion, one hundred thirty-one million, four hundred twenty-four thousand, six hundred thirty-eight".