6698113919 has 8 divisors (see below), whose sum is σ = 7655595168. Its totient is φ = 5740784640.

The previous prime is 6698113907. The next prime is 6698113927. The reversal of 6698113919 is 9193118966.

It is a happy number.

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 6698113919 - 2¹² = 6698109823 is a prime.

It is a super-2 number, since 2×6698113919² = 89729460143803077122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698113969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81539 + ... + 141579.

It is an arithmetic number, because the mean of its divisors is an integer number (956949396).

Almost surely, 2^6698113919 is an apocalyptic number.

6698113919 is a deficient number, since it is larger than the sum of its proper divisors (957481249).

6698113919 is a wasteful number, since it uses less digits than its factorization.

6698113919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75985.

The product of its digits is 629856, while the sum is 53.

The square root of 6698113919 is about 81842.0058344124. The cubic root of 6698113919 is about 1885.0267165710.

The spelling of 6698113919 in words is "six billion, six hundred ninety-eight million, one hundred thirteen thousand, nine hundred nineteen".