8633640622 has 24 divisors (see below), whose sum is σ = 13821613200. Its totient is φ = 4043638368.

The previous prime is 8633640611. The next prime is 8633640623. The reversal of 8633640622 is 2260463368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8633640623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2922 + ... + 131437.

It is an arithmetic number, because the mean of its divisors is an integer number (575900550).

Almost surely, 2^8633640622 is an apocalyptic number.

8633640622 is a deficient number, since it is larger than the sum of its proper divisors (5187972578).

8633640622 is a wasteful number, since it uses less digits than its factorization.

8633640622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134488 (or 134469 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 8633640622 is about 92917.3860049883. The cubic root of 8633640622 is about 2051.4675687668.

The spelling of 8633640622 in words is "eight billion, six hundred thirty-three million, six hundred forty thousand, six hundred twenty-two".