6696974297 has 4 divisors (see below), whose sum is σ = 7212126180. Its totient is φ = 6181822416.

The previous prime is 6696974293. The next prime is 6696974303. The reversal of 6696974297 is 7924796966.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1080371161 + 5616603136 = 32869^2 + 74944^2 .

It is a cyclic number.

It is not a de Polignac number, because 6696974297 - 2² = 6696974293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6696974293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257575922 + ... + 257575947.

It is an arithmetic number, because the mean of its divisors is an integer number (1803031545).

Almost surely, 2^6696974297 is an apocalyptic number.

It is an amenable number.

6696974297 is a deficient number, since it is larger than the sum of its proper divisors (515151883).

6696974297 is a wasteful number, since it uses less digits than its factorization.

6696974297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515151882.

The product of its digits is 61725888, while the sum is 65.

The square root of 6696974297 is about 81835.0432088845. The cubic root of 6696974297 is about 1884.9198038994.

The spelling of 6696974297 in words is "six billion, six hundred ninety-six million, nine hundred seventy-four thousand, two hundred ninety-seven".