6898684631 has 2 divisors, whose sum is σ = 6898684632. Its totient is φ = 6898684630.

The previous prime is 6898684627. The next prime is 6898684657. The reversal of 6898684631 is 1364868986.

6898684631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6898684631 - 2² = 6898684627 is a prime.

It is a super-2 number, since 2×6898684631² = 95183699275991212322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6898684531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449342315 + 3449342316.

It is an arithmetic number, because the mean of its divisors is an integer number (3449342316).

Almost surely, 2^6898684631 is an apocalyptic number.

6898684631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6898684631 is an equidigital number, since it uses as much as digits as its factorization.

6898684631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 59.

The square root of 6898684631 is about 83058.3206608465. The cubic root of 6898684631 is about 1903.6572798352.

The spelling of 6898684631 in words is "six billion, eight hundred ninety-eight million, six hundred eighty-four thousand, six hundred thirty-one".