9969702912 has 576 divisors, whose sum is σ = 34056771840. Its totient is φ = 2890432512.

The previous prime is 9969702893. The next prime is 9969702931. The reversal of 9969702912 is 2192079699.

It is an interprime number because it is at equal distance from previous prime (9969702893) and next prime (9969702931).

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148801503 + ... + 148801569.

It is an arithmetic number, because the mean of its divisors is an integer number (59126340).

Almost surely, 2^9969702912 is an apocalyptic number.

9969702912 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9969702912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17028385920).

9969702912 is an abundant number, since it is smaller than the sum of its proper divisors (24087068928).

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

9969702912 is a wasteful number, since it uses less digits than its factorization.

9969702912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 9969702912 is about 99848.3996466643. The cubic root of 9969702912 is about 2152.2567190964.

The spelling of 9969702912 in words is "nine billion, nine hundred sixty-nine million, seven hundred two thousand, nine hundred twelve".