4993566988 has 6 divisors (see below), whose sum is σ = 8738742236. Its totient is φ = 2496783492.

The previous prime is 4993566983. The next prime is 4993566989. The reversal of 4993566988 is 8896653994.

It is a super-2 number, since 2×4993566988² = 49871422527286784288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4993566983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624195870 + ... + 624195877.

Almost surely, 2^4993566988 is an apocalyptic number.

It is an amenable number.

4993566988 is a deficient number, since it is larger than the sum of its proper divisors (3745175248).

4993566988 is a wasteful number, since it uses less digits than its factorization.

4993566988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248391751 (or 1248391749 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 67.

The square root of 4993566988 is about 70665.1752138208. The cubic root of 4993566988 is about 1709.2422788881.

The spelling of 4993566988 in words is "four billion, nine hundred ninety-three million, five hundred sixty-six thousand, nine hundred eighty-eight".