12626554319 has 2 divisors, whose sum is σ = 12626554320. Its totient is φ = 12626554318.

The previous prime is 12626554261. The next prime is 12626554327. The reversal of 12626554319 is 91345562621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12626554319 is a prime.

It is a super-2 number, since 2×12626554319² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12626554319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12626544319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313277159 + 6313277160.

It is an arithmetic number, because the mean of its divisors is an integer number (6313277160).

Almost surely, 2^12626554319 is an apocalyptic number.

12626554319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12626554319 is an equidigital number, since it uses as much as digits as its factorization.

12626554319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The spelling of 12626554319 in words is "twelve billion, six hundred twenty-six million, five hundred fifty-four thousand, three hundred nineteen".