6436537874 has 16 divisors (see below), whose sum is σ = 10732888320. Its totient is φ = 2874880080.

The previous prime is 6436537853. The next prime is 6436537901. The reversal of 6436537874 is 4787356346.

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, 3992084 + ... + 3993695.

It is an arithmetic number, because the mean of its divisors is an integer number (670805520).

Almost surely, 2^6436537874 is an apocalyptic number.

6436537874 is a deficient number, since it is larger than the sum of its proper divisors (4296350446).

6436537874 is a wasteful number, since it uses less digits than its factorization.

6436537874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985825.

The product of its digits is 10160640, while the sum is 53.

The square root of 6436537874 is about 80228.0367078741. The cubic root of 6436537874 is about 1860.1620348683.

The spelling of 6436537874 in words is "six billion, four hundred thirty-six million, five hundred thirty-seven thousand, eight hundred seventy-four".