12925695749 has 2 divisors, whose sum is σ = 12925695750. Its totient is φ = 12925695748.

The previous prime is 12925695707. The next prime is 12925695787. The reversal of 12925695749 is 94759652921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12369443524 + 556252225 = 111218^2 + 23585^2 .

It is a cyclic number.

It is not a de Polignac number, because 12925695749 - 2²⁰ = 12924647173 is a prime.

It is a super-2 number, since 2×12925695749² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12925695149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6462847874 + 6462847875.

It is an arithmetic number, because the mean of its divisors is an integer number (6462847875).

Almost surely, 2^12925695749 is an apocalyptic number.

It is an amenable number.

12925695749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12925695749 is an equidigital number, since it uses as much as digits as its factorization.

12925695749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 59.

The spelling of 12925695749 in words is "twelve billion, nine hundred twenty-five million, six hundred ninety-five thousand, seven hundred forty-nine".