9642636934 has 32 divisors (see below), whose sum is σ = 16598799360. Its totient is φ = 4115458368.

The previous prime is 9642636923. The next prime is 9642636959. The reversal of 9642636934 is 4396362469.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215139 + ... + 4217425.

It is an arithmetic number, because the mean of its divisors is an integer number (518712480).

Almost surely, 2^9642636934 is an apocalyptic number.

9642636934 is a deficient number, since it is larger than the sum of its proper divisors (6956162426).

9642636934 is a wasteful number, since it uses less digits than its factorization.

9642636934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412.

The product of its digits is 5038848, while the sum is 52.

The square root of 9642636934 is about 98196.9293511768. The cubic root of 9642636934 is about 2128.4589155433.

The spelling of 9642636934 in words is "nine billion, six hundred forty-two million, six hundred thirty-six thousand, nine hundred thirty-four".