9474539642 has 16 divisors (see below), whose sum is σ = 14469931752. Its totient is φ = 4651499520.

The previous prime is 9474539629. The next prime is 9474539651. The reversal of 9474539642 is 2469354749.

It can be written as a sum of positive squares in 4 ways, for example, as 7257165721 + 2217373921 = 85189^2 + 47089^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 3098 + ... + 137690.

Almost surely, 2^9474539642 is an apocalyptic number.

9474539642 is a deficient number, since it is larger than the sum of its proper divisors (4995392110).

9474539642 is a wasteful number, since it uses less digits than its factorization.

9474539642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135233.

The product of its digits is 6531840, while the sum is 53.

The square root of 9474539642 is about 97337.2469407267. The cubic root of 9474539642 is about 2116.0180715661.

The spelling of 9474539642 in words is "nine billion, four hundred seventy-four million, five hundred thirty-nine thousand, six hundred forty-two".