5251899599 has 4 divisors (see below), whose sum is σ = 5272335264. Its totient is φ = 5231463936.

The previous prime is 5251899589. The next prime is 5251899629. The reversal of 5251899599 is 9959981525.

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 5251899599 - 2⁸ = 5251899343 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 (5251899589) 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, 10217447 + ... + 10217960.

It is an arithmetic number, because the mean of its divisors is an integer number (1318083816).

Almost surely, 2^5251899599 is an apocalyptic number.

5251899599 is a deficient number, since it is larger than the sum of its proper divisors (20435665).

5251899599 is a wasteful number, since it uses less digits than its factorization.

5251899599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20435664.

The product of its digits is 13122000, while the sum is 62.

The square root of 5251899599 is about 72469.9910238714. The cubic root of 5251899599 is about 1738.2229180149. Note that the first 3 decimals are identical.

The spelling of 5251899599 in words is "five billion, two hundred fifty-one million, eight hundred ninety-nine thousand, five hundred ninety-nine".