12610172539 has 2 divisors, whose sum is σ = 12610172540. Its totient is φ = 12610172538.

The previous prime is 12610172537. The next prime is 12610172581. The reversal of 12610172539 is 93527101621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12610172539 - 2¹ = 12610172537 is a prime.

Together with 12610172537, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12610172498 and 12610172507.

It is not a weakly prime, because it can be changed into another prime (12610172537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305086269 + 6305086270.

It is an arithmetic number, because the mean of its divisors is an integer number (6305086270).

Almost surely, 2^12610172539 is an apocalyptic number.

12610172539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12610172539 is an equidigital number, since it uses as much as digits as its factorization.

12610172539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 12610172539 in words is "twelve billion, six hundred ten million, one hundred seventy-two thousand, five hundred thirty-nine".