6697635479 has 4 divisors (see below), whose sum is σ = 6709532376. Its totient is φ = 6685738584.

The previous prime is 6697635457. The next prime is 6697635541. The reversal of 6697635479 is 9745367966.

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

It is a cyclic number.

It is not a de Polignac number, because 6697635479 - 2²⁴ = 6680858263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697634479) 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, 5947604 + ... + 5948729.

It is an arithmetic number, because the mean of its divisors is an integer number (1677383094).

Almost surely, 2^6697635479 is an apocalyptic number.

6697635479 is a deficient number, since it is larger than the sum of its proper divisors (11896897).

6697635479 is a wasteful number, since it uses less digits than its factorization.

6697635479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11896896.

The product of its digits is 51438240, while the sum is 62.

The square root of 6697635479 is about 81839.0828333260. The cubic root of 6697635479 is about 1884.9818336050.

The spelling of 6697635479 in words is "six billion, six hundred ninety-seven million, six hundred thirty-five thousand, four hundred seventy-nine".