4991153904 has 160 divisors (see below), whose sum is σ = 15823034880. Its totient is φ = 1512354240.

The previous prime is 4991153899. The next prime is 4991153917. The reversal of 4991153904 is 4093511994.

4991153904 is a `hidden beast` number, since 499 + 1 + 153 + 9 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4991153904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378429 + ... + 391395.

It is an arithmetic number, because the mean of its divisors is an integer number (98893968).

Almost surely, 2^4991153904 is an apocalyptic number.

4991153904 is a gapful number since it is divisible by the number (44) 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 4991153904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7911517440).

4991153904 is an abundant number, since it is smaller than the sum of its proper divisors (10831880976).

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

4991153904 is a wasteful number, since it uses less digits than its factorization.

4991153904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13007 (or 12983 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 4991153904 is about 70648.0990827071. The cubic root of 4991153904 is about 1708.9669106151.

The spelling of 4991153904 in words is "four billion, nine hundred ninety-one million, one hundred fifty-three thousand, nine hundred four".