12452276689 has 2 divisors, whose sum is σ = 12452276690. Its totient is φ = 12452276688.

The previous prime is 12452276653. The next prime is 12452276699. The reversal of 12452276689 is 98667225421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9319971600 + 3132305089 = 96540^2 + 55967^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452276689 - 2³¹ = 10304793041 is a prime.

It is not a weakly prime, because it can be changed into another prime (12452276609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226138344 + 6226138345.

It is an arithmetic number, because the mean of its divisors is an integer number (6226138345).

Almost surely, 2^12452276689 is an apocalyptic number.

It is an amenable number.

12452276689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452276689 is an equidigital number, since it uses as much as digits as its factorization.

12452276689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 52.

The spelling of 12452276689 in words is "twelve billion, four hundred fifty-two million, two hundred seventy-six thousand, six hundred eighty-nine".