6899175993613 has 2 divisors, whose sum is σ = 6899175993614. Its totient is φ = 6899175993612.

The previous prime is 6899175993587. The next prime is 6899175993623. The reversal of 6899175993613 is 3163995719986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3944362825764 + 2954813167849 = 1986042^2 + 1718957^2 .

It is a cyclic number.

It is not a de Polignac number, because 6899175993613 - 2¹⁷ = 6899175862541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6899175993613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6899175993623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449587996806 + 3449587996807.

It is an arithmetic number, because the mean of its divisors is an integer number (3449587996807).

Almost surely, 2^{6899175993613} is an apocalyptic number.

It is an amenable number.

6899175993613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6899175993613 is an equidigital number, since it uses as much as digits as its factorization.

6899175993613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595213920, while the sum is 76.

The spelling of 6899175993613 in words is "six trillion, eight hundred ninety-nine billion, one hundred seventy-five million, nine hundred ninety-three thousand, six hundred thirteen".