13879451923529 has 2 divisors, whose sum is σ = 13879451923530. Its totient is φ = 13879451923528.

The previous prime is 13879451923481. The next prime is 13879451923577. The reversal of 13879451923529 is 92532915497831.

It is a balanced prime because it is at equal distance from previous prime (13879451923481) and next prime (13879451923577).

It can be written as a sum of positive squares in only one way, i.e., 11808515067904 + 2070936855625 = 3436352^2 + 1439075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13879451923529 is a prime.

It is not a weakly prime, because it can be changed into another prime (13879451922529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939725961764 + 6939725961765.

It is an arithmetic number, because the mean of its divisors is an integer number (6939725961765).

Almost surely, 2^{13879451923529} is an apocalyptic number.

It is an amenable number.

13879451923529 is a deficient number, since it is larger than the sum of its proper divisors (1).

13879451923529 is an equidigital number, since it uses as much as digits as its factorization.

13879451923529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146966400, while the sum is 68.

The spelling of 13879451923529 in words is "thirteen trillion, eight hundred seventy-nine billion, four hundred fifty-one million, nine hundred twenty-three thousand, five hundred twenty-nine".