9947105632 has 24 divisors (see below), whose sum is σ = 19585799352. Its totient is φ = 4972934400.

The previous prime is 9947105599. The next prime is 9947105639. The reversal of 9947105632 is 2365017499.

It is a happy number.

It is a super-2 number, since 2×9947105632² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9947105639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351532 + ... + 378772.

It is an arithmetic number, because the mean of its divisors is an integer number (816074973).

Almost surely, 2^9947105632 is an apocalyptic number.

It is an amenable number.

9947105632 is a deficient number, since it is larger than the sum of its proper divisors (9638693720).

9947105632 is a wasteful number, since it uses less digits than its factorization.

9947105632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662 (or 38654 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 9947105632 is about 99735.1775052313. The cubic root of 9947105632 is about 2150.6293907838.

The spelling of 9947105632 in words is "nine billion, nine hundred forty-seven million, one hundred five thousand, six hundred thirty-two".