5270220891 has 18 divisors (see below), whose sum is σ = 8243168388. Its totient is φ = 3243211920.

The previous prime is 5270220877. The next prime is 5270220919. The reversal of 5270220891 is 1980220725.

It is not a de Polignac number, because 5270220891 - 2⁵ = 5270220859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5270220821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1730965 + ... + 1734006.

Almost surely, 2^5270220891 is an apocalyptic number.

5270220891 is a deficient number, since it is larger than the sum of its proper divisors (2972947497).

5270220891 is a wasteful number, since it uses less digits than its factorization.

5270220891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465003 (or 3464987 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 5270220891 is about 72596.2870331534. The cubic root of 5270220891 is about 1740.2418401468.

The spelling of 5270220891 in words is "five billion, two hundred seventy million, two hundred twenty thousand, eight hundred ninety-one".