4997564568 has 240 divisors, whose sum is σ = 14934981600. Its totient is φ = 1560746880.

The previous prime is 4997564549. The next prime is 4997564587. The reversal of 4997564568 is 8654657994.

4997564568 is a `hidden beast` number, since 4 + 9 + 9 + 7 + 5 + 64 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (4997564549) and next prime (4997564587).

It is a super-2 number, since 2×4997564568² = 49951303222658053248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 20910193 + ... + 20910431.

It is an arithmetic number, because the mean of its divisors is an integer number (62229090).

Almost surely, 2^4997564568 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 4997564568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7467490800).

4997564568 is an abundant number, since it is smaller than the sum of its proper divisors (9937417032).

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

4997564568 is a wasteful number, since it uses less digits than its factorization.

4997564568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 328 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 4997564568 is about 70693.4549162792. The cubic root of 4997564568 is about 1709.6982662444.

The spelling of 4997564568 in words is "four billion, nine hundred ninety-seven million, five hundred sixty-four thousand, five hundred sixty-eight".