12679411852909 has 2 divisors, whose sum is σ = 12679411852910. Its totient is φ = 12679411852908.

The previous prime is 12679411852787. The next prime is 12679411852957. The reversal of 12679411852909 is 90925811497621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12043919089225 + 635492763684 = 3470435^2 + 797178^2 .

It is a cyclic number.

It is not a de Polignac number, because 12679411852909 - 2²¹ = 12679409755757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12679411850909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339705926454 + 6339705926455.

It is an arithmetic number, because the mean of its divisors is an integer number (6339705926455).

Almost surely, 2^{12679411852909} is an apocalyptic number.

It is an amenable number.

12679411852909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12679411852909 is an equidigital number, since it uses as much as digits as its factorization.

12679411852909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 12679411852909 in words is "twelve trillion, six hundred seventy-nine billion, four hundred eleven million, eight hundred fifty-two thousand, nine hundred nine".