6639633119 has 16 divisors (see below), whose sum is σ = 7630977600. Its totient is φ = 5659079424.

The previous prime is 6639633073. The next prime is 6639633137. The reversal of 6639633119 is 9113369366.

It is a cyclic number.

It is not a de Polignac number, because 6639633119 - 2²⁸ = 6371197663 is a prime.

It is a super-2 number, since 2×6639633119² = 88169455909843336322, 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 (6639633719) 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 15 ways as a sum of consecutive naturals, for example, 1068329 + ... + 1074525.

It is an arithmetic number, because the mean of its divisors is an integer number (476936100).

Almost surely, 2^6639633119 is an apocalyptic number.

6639633119 is a deficient number, since it is larger than the sum of its proper divisors (991344481).

6639633119 is a wasteful number, since it uses less digits than its factorization.

6639633119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042.

The product of its digits is 472392, while the sum is 47.

The square root of 6639633119 is about 81483.9439337591. The cubic root of 6639633119 is about 1879.5246571549.

The spelling of 6639633119 in words is "six billion, six hundred thirty-nine million, six hundred thirty-three thousand, one hundred nineteen".