13691076841 has 6 divisors (see below), whose sum is σ = 14825249070. Its totient is φ = 12637916928.

The previous prime is 13691076821. The next prime is 13691076869. The reversal of 13691076841 is 14867019631.

It can be written as a sum of positive squares in 3 ways, for example, as 10265616 + 13680811225 = 3204^2 + 116965^2 .

It is not a de Polignac number, because 13691076841 - 2¹⁹ = 13690552553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13691076791 and 13691076800.

It is not an unprimeable number, because it can be changed into a prime (13691076821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40505976 + ... + 40506313.

It is an arithmetic number, because the mean of its divisors is an integer number (2470874845).

Almost surely, 2^13691076841 is an apocalyptic number.

It is an amenable number.

13691076841 is a deficient number, since it is larger than the sum of its proper divisors (1134172229).

13691076841 is an equidigital number, since it uses as much as digits as its factorization.

13691076841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81012315 (or 81012302 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 13691076841 in words is "thirteen billion, six hundred ninety-one million, seventy-six thousand, eight hundred forty-one".