9995639226 has 32 divisors (see below), whose sum is σ = 21526015680. Its totient is φ = 3082734336.

The previous prime is 9995639191. The next prime is 9995639233. The reversal of 9995639226 is 6229365999.

It is a self number, because there is not a number n which added to its sum of digits gives 9995639226.

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, 824461 + ... + 836496.

It is an arithmetic number, because the mean of its divisors is an integer number (672687990).

Almost surely, 2^9995639226 is an apocalyptic number.

9995639226 is an abundant number, since it is smaller than the sum of its proper divisors (11530376454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9995639226 is a wasteful number, since it uses less digits than its factorization.

9995639226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661038.

The product of its digits is 14171760, while the sum is 60.

The square root of 9995639226 is about 99978.1937524378. The cubic root of 9995639226 is about 2154.1214777398.

The spelling of 9995639226 in words is "nine billion, nine hundred ninety-five million, six hundred thirty-nine thousand, two hundred twenty-six".