2512456442669 has 2 divisors, whose sum is σ = 2512456442670. Its totient is φ = 2512456442668.

The previous prime is 2512456442449. The next prime is 2512456442707. The reversal of 2512456442669 is 9662446542152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914177397444 + 598279045225 = 1383538^2 + 773485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512456442669 - 2²⁴ = 2512439665453 is a prime.

It is a super-2 number, since 2×2512456442669² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512456441669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256228221334 + 1256228221335.

It is an arithmetic number, because the mean of its divisors is an integer number (1256228221335).

Almost surely, 2^{2512456442669} is an apocalyptic number.

It is an amenable number.

2512456442669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512456442669 is an equidigital number, since it uses as much as digits as its factorization.

2512456442669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24883200, while the sum is 56.

The spelling of 2512456442669 in words is "two trillion, five hundred twelve billion, four hundred fifty-six million, four hundred forty-two thousand, six hundred sixty-nine".