13256605379 has 2 divisors, whose sum is σ = 13256605380. Its totient is φ = 13256605378.

The previous prime is 13256605363. The next prime is 13256605441. The reversal of 13256605379 is 97350665231.

It is a weak prime.

It is an emirp because it is prime and its reverse (97350665231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13256605379 - 2⁴ = 13256605363 is a prime.

It is not a weakly prime, because it can be changed into another prime (13256605079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628302689 + 6628302690.

It is an arithmetic number, because the mean of its divisors is an integer number (6628302690).

Almost surely, 2^13256605379 is an apocalyptic number.

13256605379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13256605379 is an equidigital number, since it uses as much as digits as its factorization.

13256605379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 13256605379 in words is "thirteen billion, two hundred fifty-six million, six hundred five thousand, three hundred seventy-nine".