9969634472 has 48 divisors (see below), whose sum is σ = 22446472320. Its totient is φ = 4134866400.

The previous prime is 9969634469. The next prime is 9969634517. The reversal of 9969634472 is 2744369699.

It is a happy number.

It is a super-2 number, since 2×9969634472² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398054 + ... + 422357.

It is an arithmetic number, because the mean of its divisors is an integer number (467634840).

Almost surely, 2^9969634472 is an apocalyptic number.

It is an amenable number.

9969634472 is an abundant number, since it is smaller than the sum of its proper divisors (12476837848).

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

9969634472 is a wasteful number, since it uses less digits than its factorization.

9969634472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820462 (or 820451 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 59.

The square root of 9969634472 is about 99848.0569265121. The cubic root of 9969634472 is about 2152.2517941490.

The spelling of 9969634472 in words is "nine billion, nine hundred sixty-nine million, six hundred thirty-four thousand, four hundred seventy-two".