6698137344 has 36 divisors (see below), whose sum is σ = 17826815496. Its totient is φ = 2232712192.

The previous prime is 6698137331. The next prime is 6698137363. The reversal of 6698137344 is 4437318966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4359999 + ... + 4361534.

Almost surely, 2^6698137344 is an apocalyptic number.

6698137344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6698137344 is an abundant number, since it is smaller than the sum of its proper divisors (11128678152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6698137344 is an equidigital number, since it uses as much as digits as its factorization.

6698137344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721552 (or 8721538 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 6698137344 is about 81842.1489453937. The cubic root of 6698137344 is about 1885.0289140403.

The spelling of 6698137344 in words is "six billion, six hundred ninety-eight million, one hundred thirty-seven thousand, three hundred forty-four".