969917421312 has 1440 divisors, whose sum is σ = 3589957324800. Its totient is φ = 259949813760.

The previous prime is 969917421271. The next prime is 969917421329. The reversal of 969917421312 is 213124719969.

969917421312 is a `hidden beast` number, since 96 + 99 + 17 + 421 + 31 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

Its product of digits (1469664) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 11685752023 + ... + 11685752105.

It is an arithmetic number, because the mean of its divisors is an integer number (2493025920).

Almost surely, 2^969917421312 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 969917421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794978662400).

969917421312 is an abundant number, since it is smaller than the sum of its proper divisors (2620039903488).

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

969917421312 is an equidigital number, since it uses as much as digits as its factorization.

969917421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 179 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The spelling of 969917421312 in words is "nine hundred sixty-nine billion, nine hundred seventeen million, four hundred twenty-one thousand, three hundred twelve".