5623665199 has 4 divisors (see below), whose sum is σ = 5624001864. Its totient is φ = 5623328536.

The previous prime is 5623665169. The next prime is 5623665211. The reversal of 5623665199 is 9915663265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5623665199 is a prime.

It is a super-2 number, since 2×5623665199² = 63251220540887419202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623665149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141892 + ... + 177145.

It is an arithmetic number, because the mean of its divisors is an integer number (1406000466).

Almost surely, 2^5623665199 is an apocalyptic number.

5623665199 is a deficient number, since it is larger than the sum of its proper divisors (336665).

5623665199 is a wasteful number, since it uses less digits than its factorization.

5623665199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336664.

The product of its digits is 2624400, while the sum is 52.

The square root of 5623665199 is about 74991.1007986948. The cubic root of 5623665199 is about 1778.3059671981.

The spelling of 5623665199 in words is "five billion, six hundred twenty-three million, six hundred sixty-five thousand, one hundred ninety-nine".