9964912356 has 96 divisors (see below), whose sum is σ = 29680680960. Its totient is φ = 2832170400.

The previous prime is 9964912339. The next prime is 9964912361. The reversal of 9964912356 is 6532194699.

It is a super-2 number, since 2×9964912356² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109891 + ... + 178901.

It is an arithmetic number, because the mean of its divisors is an integer number (309173760).

Almost surely, 2^9964912356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9964912356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14840340480).

9964912356 is an abundant number, since it is smaller than the sum of its proper divisors (19715768604).

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

9964912356 is a wasteful number, since it uses less digits than its factorization.

9964912356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69222 (or 69214 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 9964912356 is about 99824.4076165744. The cubic root of 9964912356 is about 2151.9119358964.

The spelling of 9964912356 in words is "nine billion, nine hundred sixty-four million, nine hundred twelve thousand, three hundred fifty-six".