5119999999 has 4 divisors (see below), whose sum is σ = 5206779720. Its totient is φ = 5033220280.

The previous prime is 5119999991. The next prime is 5120000063. The reversal of 5119999999 is 9999999115.

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 5119999999 - 2³ = 5119999991 is a prime.

It is a Duffinian number.

5119999999 is a modest number, since divided by 99999 gives 51199 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5119999991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43389772 + ... + 43389889.

It is an arithmetic number, because the mean of its divisors is an integer number (1301694930).

Almost surely, 2^5119999999 is an apocalyptic number.

5119999999 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5119999999 is a deficient number, since it is larger than the sum of its proper divisors (86779721).

5119999999 is an equidigital number, since it uses as much as digits as its factorization.

5119999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86779720.

The product of its digits is 23914845, while the sum is 70.

The square root of 5119999999 is about 71554.1752730056. The cubic root of 5119999999 is about 1723.5477519133.

It can be divided in two parts, 5 and 119999999, that multiplied together give a palindrome (599999995).

The spelling of 5119999999 in words is "five billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".