13681746959 has 2 divisors, whose sum is σ = 13681746960. Its totient is φ = 13681746958.

The previous prime is 13681746929. The next prime is 13681746979. The reversal of 13681746959 is 95964718631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13681746959 - 2²⁴ = 13664969743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13681746898 and 13681746907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13681746919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6840873479 + 6840873480.

It is an arithmetic number, because the mean of its divisors is an integer number (6840873480).

Almost surely, 2^13681746959 is an apocalyptic number.

13681746959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13681746959 is an equidigital number, since it uses as much as digits as its factorization.

13681746959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The spelling of 13681746959 in words is "thirteen billion, six hundred eighty-one million, seven hundred forty-six thousand, nine hundred fifty-nine".