6649935683 has 8 divisors (see below), whose sum is σ = 6887026080. Its totient is φ = 6413364160.

The previous prime is 6649935661. The next prime is 6649935689. The reversal of 6649935683 is 3865399466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6649935683 - 2⁶ = 6649935619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6649935689) 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 7 ways as a sum of consecutive naturals, for example, 103538 + ... + 154983.

It is an arithmetic number, because the mean of its divisors is an integer number (860878260).

Almost surely, 2^6649935683 is an apocalyptic number.

6649935683 is a deficient number, since it is larger than the sum of its proper divisors (237090397).

6649935683 is a wasteful number, since it uses less digits than its factorization.

6649935683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259437.

The product of its digits is 25194240, while the sum is 59.

The square root of 6649935683 is about 81547.1377977180. The cubic root of 6649935683 is about 1880.4962929783.

The spelling of 6649935683 in words is "six billion, six hundred forty-nine million, nine hundred thirty-five thousand, six hundred eighty-three".