9399970944 has 640 divisors, whose sum is σ = 35414628480. Its totient is φ = 2418647040.

The previous prime is 9399970933. The next prime is 9399970981. The reversal of 9399970944 is 4490799939.

It is a super-2 number, since 2×9399970944² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 229267564 + ... + 229267604.

It is an arithmetic number, because the mean of its divisors is an integer number (55335357).

Almost surely, 2^9399970944 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 9399970944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17707314240).

9399970944 is an abundant number, since it is smaller than the sum of its proper divisors (26014657536).

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

9399970944 is an frugal number, since it uses more digits than its factorization.

9399970944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The square root of 9399970944 is about 96953.4473033321. The cubic root of 9399970944 is about 2110.4521199716.

The spelling of 9399970944 in words is "nine billion, three hundred ninety-nine million, nine hundred seventy thousand, nine hundred forty-four".