913475754565920 has 1296 divisors, whose sum is σ = 4097286961814592. Its totient is φ = 184353579970560.

The previous prime is 913475754565903. The next prime is 913475754565937. The reversal of 913475754565920 is 29565457574319.

913475754565920 is a `hidden beast` number, since 9 + 1 + 3 + 4 + 7 + 5 + 7 + 54 + 565 + 9 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (913475754565903) and next prime (913475754565937).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 272601415 + ... + 275932025.

It is an arithmetic number, because the mean of its divisors is an integer number (3161486853252).

Almost surely, 2^{913475754565920} is an apocalyptic number.

913475754565920 is a gapful number since it is divisible by the number (90) 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 913475754565920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048643480907296).

913475754565920 is an abundant number, since it is smaller than the sum of its proper divisors (3183811207248672).

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

913475754565920 is a wasteful number, since it uses less digits than its factorization.

913475754565920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330695 (or 3330664 counting only the distinct ones).

The product of its (nonzero) digits is 1428840000, while the sum is 72.

The spelling of 913475754565920 in words is "nine hundred thirteen trillion, four hundred seventy-five billion, seven hundred fifty-four million, five hundred sixty-five thousand, nine hundred twenty".