5431008394 has 24 divisors (see below), whose sum is σ = 10034002980. Its totient is φ = 2190658176.

The previous prime is 5431008361. The next prime is 5431008433. The reversal of 5431008394 is 4938001345.

It can be written as a sum of positive squares in 2 ways, for example, as 5239877769 + 191130625 = 72387^2 + 13825^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1628289 + ... + 1631620.

Almost surely, 2^5431008394 is an apocalyptic number.

5431008394 is a deficient number, since it is larger than the sum of its proper divisors (4602994586).

5431008394 is a wasteful number, since it uses less digits than its factorization.

5431008394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259942 (or 3259935 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 5431008394 is about 73695.3756622490. The cubic root of 5431008394 is about 1757.7623501893.

The spelling of 5431008394 in words is "five billion, four hundred thirty-one million, eight thousand, three hundred ninety-four".