12526270475669 has 2 divisors, whose sum is σ = 12526270475670. Its totient is φ = 12526270475668.

The previous prime is 12526270475627. The next prime is 12526270475671. The reversal of 12526270475669 is 96657407262521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6928134658225 + 5598135817444 = 2632135^2 + 2366038^2 .

It is a cyclic number.

It is not a de Polignac number, because 12526270475669 - 2¹² = 12526270471573 is a prime.

It is a super-2 number, since 2×12526270475669² (a number of 27 digits) contains 22 as substring.

Together with 12526270475671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12526270471669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263135237834 + 6263135237835.

It is an arithmetic number, because the mean of its divisors is an integer number (6263135237835).

Almost surely, 2^{12526270475669} is an apocalyptic number.

It is an amenable number.

12526270475669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12526270475669 is an equidigital number, since it uses as much as digits as its factorization.

12526270475669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76204800, while the sum is 62.

The spelling of 12526270475669 in words is "twelve trillion, five hundred twenty-six billion, two hundred seventy million, four hundred seventy-five thousand, six hundred sixty-nine".