5157991790 has 16 divisors (see below), whose sum is σ = 10610726112. Its totient is φ = 1768454304.

The previous prime is 5157991759. The next prime is 5157991801. The reversal of 5157991790 is 971997515.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36842729 + ... + 36842868.

It is an arithmetic number, because the mean of its divisors is an integer number (663170382).

Almost surely, 2^5157991790 is an apocalyptic number.

5157991790 is an abundant number, since it is smaller than the sum of its proper divisors (5452734322).

5157991790 is a wasteful number, since it uses less digits than its factorization.

5157991790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73685611.

The product of its (nonzero) digits is 893025, while the sum is 53.

The square root of 5157991790 is about 71819.1603264756. The cubic root of 5157991790 is about 1727.8003149939.

The spelling of 5157991790 in words is "five billion, one hundred fifty-seven million, nine hundred ninety-one thousand, seven hundred ninety".