5188806021 has 8 divisors (see below), whose sum is σ = 7906752064. Its totient is φ = 2965032000.

The previous prime is 5188805989. The next prime is 5188806041. The reversal of 5188806021 is 1206088815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5188806021 - 2⁵ = 5188805989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188806041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123542980 + ... + 123543021.

It is an arithmetic number, because the mean of its divisors is an integer number (988344008).

Almost surely, 2^5188806021 is an apocalyptic number.

It is an amenable number.

5188806021 is a deficient number, since it is larger than the sum of its proper divisors (2717946043).

5188806021 is a wasteful number, since it uses less digits than its factorization.

5188806021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247086011.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 5188806021 is about 72033.3674139978. The cubic root of 5188806021 is about 1731.2341557265.

The spelling of 5188806021 in words is "five billion, one hundred eighty-eight million, eight hundred six thousand, twenty-one".