5109799091 has 4 divisors (see below), whose sum is σ = 5228631672. Its totient is φ = 4990966512.

The previous prime is 5109799073. The next prime is 5109799129. The reversal of 5109799091 is 1909979015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5109799091 - 2²² = 5105604787 is a prime.

It is a super-2 number, since 2×5109799091² = 52220093500768852562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5109795091) 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, 59416226 + ... + 59416311.

It is an arithmetic number, because the mean of its divisors is an integer number (1307157918).

Almost surely, 2^5109799091 is an apocalyptic number.

5109799091 is a deficient number, since it is larger than the sum of its proper divisors (118832581).

5109799091 is a wasteful number, since it uses less digits than its factorization.

5109799091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118832580.

The product of its (nonzero) digits is 229635, while the sum is 50.

The square root of 5109799091 is about 71482.8587215145. The cubic root of 5109799091 is about 1722.4023455710.

The spelling of 5109799091 in words is "five billion, one hundred nine million, seven hundred ninety-nine thousand, ninety-one".