5114399891 has 4 divisors (see below), whose sum is σ = 5133412800. Its totient is φ = 5095386984.

The previous prime is 5114399869. The next prime is 5114399897. The reversal of 5114399891 is 1989934115.

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 5114399891 - 2²² = 5110205587 is a prime.

It is a super-3 number, since 3×5114399891³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5114399897) 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, 9506051 + ... + 9506588.

It is an arithmetic number, because the mean of its divisors is an integer number (1283353200).

Almost surely, 2^5114399891 is an apocalyptic number.

5114399891 is a deficient number, since it is larger than the sum of its proper divisors (19012909).

5114399891 is a wasteful number, since it uses less digits than its factorization.

5114399891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19012908.

The product of its digits is 349920, while the sum is 50.

The square root of 5114399891 is about 71515.0326225193. The cubic root of 5114399891 is about 1722.9191337661.

The spelling of 5114399891 in words is "five billion, one hundred fourteen million, three hundred ninety-nine thousand, eight hundred ninety-one".