5120431994 has 16 divisors (see below), whose sum is σ = 8486036928. Its totient is φ = 2304848832.

The previous prime is 5120431937. The next prime is 5120432021. The reversal of 5120431994 is 4991340215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273152 + ... + 3274715.

It is an arithmetic number, because the mean of its divisors is an integer number (530377308).

Almost surely, 2^5120431994 is an apocalyptic number.

5120431994 is a deficient number, since it is larger than the sum of its proper divisors (3365604934).

5120431994 is a wasteful number, since it uses less digits than its factorization.

5120431994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547909.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 5120431994 is about 71557.1938661655. The cubic root of 5120431994 is about 1723.5962247695.

The spelling of 5120431994 in words is "five billion, one hundred twenty million, four hundred thirty-one thousand, nine hundred ninety-four".