4749579988 has 12 divisors (see below), whose sum is σ = 8315331892. Its totient is φ = 2373770880.

The previous prime is 4749579983. The next prime is 4749580013. The reversal of 4749579988 is 8899759474.

It can be written as a sum of positive squares in 2 ways, for example, as 3540488004 + 1209091984 = 59502^2 + 34772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4749579983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244245 + ... + 262972.

Almost surely, 2^4749579988 is an apocalyptic number.

It is an amenable number.

4749579988 is a deficient number, since it is larger than the sum of its proper divisors (3565751904).

4749579988 is a wasteful number, since it uses less digits than its factorization.

4749579988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509562 (or 509560 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 70.

The square root of 4749579988 is about 68917.1966057819. The cubic root of 4749579988 is about 1680.9381556228.

The spelling of 4749579988 in words is "four billion, seven hundred forty-nine million, five hundred seventy-nine thousand, nine hundred eighty-eight".