12775252639 has 2 divisors, whose sum is σ = 12775252640. Its totient is φ = 12775252638.

The previous prime is 12775252601. The next prime is 12775252649. The reversal of 12775252639 is 93625257721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12775252639 - 2³³ = 4185318047 is a prime.

It is a super-3 number, since 3×12775252639³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12775252592 and 12775252601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12775252649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387626319 + 6387626320.

It is an arithmetic number, because the mean of its divisors is an integer number (6387626320).

Almost surely, 2^12775252639 is an apocalyptic number.

12775252639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12775252639 is an equidigital number, since it uses as much as digits as its factorization.

12775252639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The spelling of 12775252639 in words is "twelve billion, seven hundred seventy-five million, two hundred fifty-two thousand, six hundred thirty-nine".