13876646654939 has 2 divisors, whose sum is σ = 13876646654940. Its totient is φ = 13876646654938.

The previous prime is 13876646654933. The next prime is 13876646654947. The reversal of 13876646654939 is 93945664667831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13876646654939 is a prime.

It is a super-2 number, since 2×13876646654939² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13876646654939.

It is not a weakly prime, because it can be changed into another prime (13876646654933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938323327469 + 6938323327470.

It is an arithmetic number, because the mean of its divisors is an integer number (6938323327470).

Almost surely, 2^{13876646654939} is an apocalyptic number.

13876646654939 is a deficient number, since it is larger than the sum of its proper divisors (1).

13876646654939 is an equidigital number, since it uses as much as digits as its factorization.

13876646654939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4232632320, while the sum is 77.

The spelling of 13876646654939 in words is "thirteen trillion, eight hundred seventy-six billion, six hundred forty-six million, six hundred fifty-four thousand, nine hundred thirty-nine".