6679618497 has 6 divisors (see below), whose sum is σ = 9648337842. Its totient is φ = 4453078992.

The previous prime is 6679618493. The next prime is 6679618541. The reversal of 6679618497 is 7948169766.

6679618497 is a `hidden beast` number, since 6 + 6 + 7 + 9 + 618 + 4 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3414181761 + 3265436736 = 58431^2 + 57144^2 .

It is not a de Polignac number, because 6679618497 - 2² = 6679618493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6679618493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371089908 + ... + 371089925.

It is an arithmetic number, because the mean of its divisors is an integer number (1608056307).

Almost surely, 2^6679618497 is an apocalyptic number.

It is an amenable number.

6679618497 is a deficient number, since it is larger than the sum of its proper divisors (2968719345).

6679618497 is a wasteful number, since it uses less digits than its factorization.

6679618497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742179839 (or 742179836 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 6679618497 is about 81728.9330469938. The cubic root of 6679618497 is about 1883.2900832177.

The spelling of 6679618497 in words is "six billion, six hundred seventy-nine million, six hundred eighteen thousand, four hundred ninety-seven".