13986846673 has 2 divisors, whose sum is σ = 13986846674. Its totient is φ = 13986846672.

The previous prime is 13986846619. The next prime is 13986846749. The reversal of 13986846673 is 37664868931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13889093904 + 97752769 = 117852^2 + 9887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13986846673 is a prime.

It is a super-2 number, since 2×13986846673² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13986846613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993423336 + 6993423337.

It is an arithmetic number, because the mean of its divisors is an integer number (6993423337).

Almost surely, 2^13986846673 is an apocalyptic number.

It is an amenable number.

13986846673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13986846673 is an equidigital number, since it uses as much as digits as its factorization.

13986846673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 13986846673 in words is "thirteen billion, nine hundred eighty-six million, eight hundred forty-six thousand, six hundred seventy-three".