12625011493 has 2 divisors, whose sum is σ = 12625011494. Its totient is φ = 12625011492.

The previous prime is 12625011449. The next prime is 12625011521. The reversal of 12625011493 is 39411052621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9939491809 + 2685519684 = 99697^2 + 51822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12625011493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625011433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312505746 + 6312505747.

It is an arithmetic number, because the mean of its divisors is an integer number (6312505747).

Almost surely, 2^12625011493 is an apocalyptic number.

It is an amenable number.

12625011493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625011493 is an equidigital number, since it uses as much as digits as its factorization.

12625011493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 12625011493 in words is "twelve billion, six hundred twenty-five million, eleven thousand, four hundred ninety-three".