6698919953231 has 16 divisors (see below), whose sum is σ = 7385507920800. Its totient is φ = 6025350144000.

The previous prime is 6698919953189. The next prime is 6698919953281. The reversal of 6698919953231 is 1323599198966.

It is a de Polignac number, because none of the positive numbers 2^k-6698919953231 is a prime.

It is a super-2 number, since 2×6698919953231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698919953281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574286 + ... + 3705083.

It is an arithmetic number, because the mean of its divisors is an integer number (461594245050).

Almost surely, 2^{6698919953231} is an apocalyptic number.

6698919953231 is a deficient number, since it is larger than the sum of its proper divisors (686587967569).

6698919953231 is a wasteful number, since it uses less digits than its factorization.

6698919953231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280890.

The product of its digits is 170061120, while the sum is 71.

The spelling of 6698919953231 in words is "six trillion, six hundred ninety-eight billion, nine hundred nineteen million, nine hundred fifty-three thousand, two hundred thirty-one".