5199999999 has 4 divisors (see below), whose sum is σ = 6933333336. Its totient is φ = 3466666664.

The previous prime is 5199999977. The next prime is 5200000033. The reversal of 5199999999 is 9999999915.

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 5199999999 - 2¹² = 5199995903 is a prime.

5199999999 is a modest number, since divided by 99999 gives 51999 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199999949) 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, 866666664 + ... + 866666669.

It is an arithmetic number, because the mean of its divisors is an integer number (1733333334).

Almost surely, 2^5199999999 is an apocalyptic number.

5199999999 is a deficient number, since it is larger than the sum of its proper divisors (1733333337).

5199999999 is a wasteful number, since it uses less digits than its factorization.

5199999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733333336.

The product of its digits is 215233605, while the sum is 78.

The square root of 5199999999 is about 72111.0255023460. The cubic root of 5199999999 is about 1732.4782105707.

The spelling of 5199999999 in words is "five billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".