12926465769 has 16 divisors (see below), whose sum is σ = 20155553792. Its totient is φ = 7214771088.

The previous prime is 12926465753. The next prime is 12926465779. The reversal of 12926465769 is 96756462921.

12926465769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12926465769 - 2⁴ = 12926465753 is a prime.

It is a super-2 number, since 2×12926465769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12926465779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7156609 + ... + 7158414.

It is an arithmetic number, because the mean of its divisors is an integer number (1259722112).

Almost surely, 2^12926465769 is an apocalyptic number.

It is an amenable number.

12926465769 is a deficient number, since it is larger than the sum of its proper divisors (7229088023).

12926465769 is a wasteful number, since it uses less digits than its factorization.

12926465769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14315076.

The product of its digits is 9797760, while the sum is 57.

The spelling of 12926465769 in words is "twelve billion, nine hundred twenty-six million, four hundred sixty-five thousand, seven hundred sixty-nine".