5199759991 has 4 divisors (see below), whose sum is σ = 5201887392. Its totient is φ = 5197632592.

The previous prime is 5199759989. The next prime is 5199760009. The reversal of 5199759991 is 1999579915.

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 5199759991 - 2¹ = 5199759989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199759931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060030 + ... + 1064923.

It is an arithmetic number, because the mean of its divisors is an integer number (1300471848).

Almost surely, 2^5199759991 is an apocalyptic number.

5199759991 is a deficient number, since it is larger than the sum of its proper divisors (2127401).

5199759991 is a wasteful number, since it uses less digits than its factorization.

5199759991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127400.

The product of its digits is 10333575, while the sum is 64.

The square root of 5199759991 is about 72109.3613270843. The cubic root of 5199759991 is about 1732.4515557613.

The spelling of 5199759991 in words is "five billion, one hundred ninety-nine million, seven hundred fifty-nine thousand, nine hundred ninety-one".