12926465779 has 2 divisors, whose sum is σ = 12926465780. Its totient is φ = 12926465778.

The previous prime is 12926465753. The next prime is 12926465791. The reversal of 12926465779 is 97756462921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12926465779 - 2¹⁹ = 12925941491 is a prime.

It is not a weakly prime, because it can be changed into another prime (12926465179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6463232889 + 6463232890.

It is an arithmetic number, because the mean of its divisors is an integer number (6463232890).

Almost surely, 2^12926465779 is an apocalyptic number.

12926465779 is a deficient number, since it is larger than the sum of its proper divisors (1).

12926465779 is an equidigital number, since it uses as much as digits as its factorization.

12926465779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The spelling of 12926465779 in words is "twelve billion, nine hundred twenty-six million, four hundred sixty-five thousand, seven hundred seventy-nine".