6699863419 has 6 divisors (see below), whose sum is σ = 6711158420. Its totient is φ = 6688575180.

The previous prime is 6699863389. The next prime is 6699863431. The reversal of 6699863419 is 9143689966.

It is a de Polignac number, because none of the positive numbers 2^k-6699863419 is a prime.

It is a super-2 number, since 2×6699863419² = 89776339666508739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6699863449) 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, 2223624 + ... + 2226634.

Almost surely, 2^6699863419 is an apocalyptic number.

6699863419 is a deficient number, since it is larger than the sum of its proper divisors (11295001).

6699863419 is an frugal number, since it uses more digits than its factorization.

6699863419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 3750 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 61.

The square root of 6699863419 is about 81852.6934132286. The cubic root of 6699863419 is about 1885.1908208346.

The spelling of 6699863419 in words is "six billion, six hundred ninety-nine million, eight hundred sixty-three thousand, four hundred nineteen".