6418849599 has 12 divisors (see below), whose sum is σ = 9428819400. Its totient is φ = 4206703344.

The previous prime is 6418849583. The next prime is 6418849601. The reversal of 6418849599 is 9959488146.

6418849599 is a `hidden beast` number, since 64 + 1 + 88 + 495 + 9 + 9 = 666.

It is not a de Polignac number, because 6418849599 - 2⁴ = 6418849583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6418849519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6043584 + ... + 6044645.

It is an arithmetic number, because the mean of its divisors is an integer number (785734950).

Almost surely, 2^6418849599 is an apocalyptic number.

6418849599 is a deficient number, since it is larger than the sum of its proper divisors (3009969801).

6418849599 is a wasteful number, since it uses less digits than its factorization.

6418849599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088294 (or 12088291 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 6418849599 is about 80117.7233762917. The cubic root of 6418849599 is about 1858.4564987192.

The spelling of 6418849599 in words is "six billion, four hundred eighteen million, eight hundred forty-nine thousand, five hundred ninety-nine".