12635379870479 has 2 divisors, whose sum is σ = 12635379870480. Its totient is φ = 12635379870478.

The previous prime is 12635379870419. The next prime is 12635379870569. The reversal of 12635379870479 is 97407897353621.

It is a weak prime.

It is an emirp because it is prime and its reverse (97407897353621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12635379870479 - 2²⁴ = 12635363093263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12635379870419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317689935239 + 6317689935240.

It is an arithmetic number, because the mean of its divisors is an integer number (6317689935240).

It is a 1-persistent number, because it is pandigital, but 2⋅12635379870479 = 25270759740958 is not.

Almost surely, 2^{12635379870479} is an apocalyptic number.

12635379870479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12635379870479 is an equidigital number, since it uses as much as digits as its factorization.

12635379870479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480090240, while the sum is 71.

The spelling of 12635379870479 in words is "twelve trillion, six hundred thirty-five billion, three hundred seventy-nine million, eight hundred seventy thousand, four hundred seventy-nine".