5106021988 has 12 divisors (see below), whose sum is σ = 9324040320. Its totient is φ = 2442010472.

The previous prime is 5106021959. The next prime is 5106022007. The reversal of 5106021988 is 8891206015.

It is a self number, because there is not a number n which added to its sum of digits gives 5106021988.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27750028 + ... + 27750211.

It is an arithmetic number, because the mean of its divisors is an integer number (777003360).

Almost surely, 2^5106021988 is an apocalyptic number.

It is an amenable number.

5106021988 is a deficient number, since it is larger than the sum of its proper divisors (4218018332).

5106021988 is a wasteful number, since it uses less digits than its factorization.

5106021988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55500266 (or 55500264 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 5106021988 is about 71456.4341959491. The cubic root of 5106021988 is about 1721.9778478177.

The spelling of 5106021988 in words is "five billion, one hundred six million, twenty-one thousand, nine hundred eighty-eight".