12626415673 has 2 divisors, whose sum is σ = 12626415674. Its totient is φ = 12626415672.

The previous prime is 12626415653. The next prime is 12626415689. The reversal of 12626415673 is 37651462621.

12626415673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7927587369 + 4698828304 = 89037^2 + 68548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12626415673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12626415643) 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 as a sum of consecutive naturals, namely, 6313207836 + 6313207837.

It is an arithmetic number, because the mean of its divisors is an integer number (6313207837).

Almost surely, 2^12626415673 is an apocalyptic number.

It is an amenable number.

12626415673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12626415673 is an equidigital number, since it uses as much as digits as its factorization.

12626415673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The spelling of 12626415673 in words is "twelve billion, six hundred twenty-six million, four hundred fifteen thousand, six hundred seventy-three".