9159381504 has 480 divisors, whose sum is σ = 33781587840. Its totient is φ = 2412675072.

The previous prime is 9159381503. The next prime is 9159381521. The reversal of 9159381504 is 4051839519.

9159381504 is a `hidden beast` number, since 9 + 1 + 593 + 8 + 1 + 50 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9159381504.

It is not an unprimeable number, because it can be changed into a prime (9159381503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11321452 + ... + 11322260.

It is an arithmetic number, because the mean of its divisors is an integer number (70378308).

Almost surely, 2^9159381504 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 9159381504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16890793920).

9159381504 is an abundant number, since it is smaller than the sum of its proper divisors (24622206336).

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

9159381504 is an equidigital number, since it uses as much as digits as its factorization.

9159381504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 9159381504 is about 95704.6576922983. The cubic root of 9159381504 is about 2092.2908196492.

The spelling of 9159381504 in words is "nine billion, one hundred fifty-nine million, three hundred eighty-one thousand, five hundred four".