4991113344 has 384 divisors, whose sum is σ = 16967577600. Its totient is φ = 1290110976.

The previous prime is 4991113331. The next prime is 4991113399. The reversal of 4991113344 is 4433111994.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×4991113344² = 49822424825309724672, which contains 22 as substring.

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, 8222289 + ... + 8222895.

It is an arithmetic number, because the mean of its divisors is an integer number (44186400).

Almost surely, 2^4991113344 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 4991113344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8483788800).

4991113344 is an abundant number, since it is smaller than the sum of its proper divisors (11976464256).

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

4991113344 is a wasteful number, since it uses less digits than its factorization.

4991113344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 661 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 4991113344 is about 70647.8120255681. The cubic root of 4991113344 is about 1708.9622813659.

The spelling of 4991113344 in words is "four billion, nine hundred ninety-one million, one hundred thirteen thousand, three hundred forty-four".