2512456442449 has 2 divisors, whose sum is σ = 2512456442450. Its totient is φ = 2512456442448.

The previous prime is 2512456442443. The next prime is 2512456442669. The reversal of 2512456442449 is 9442446542152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2424124441600 + 88332000849 = 1556960^2 + 297207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512456442449 - 2¹¹ = 2512456440401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2512456442396 and 2512456442405.

It is not a weakly prime, because it can be changed into another prime (2512456442443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256228221224 + 1256228221225.

It is an arithmetic number, because the mean of its divisors is an integer number (1256228221225).

Almost surely, 2^{2512456442449} is an apocalyptic number.

It is an amenable number.

2512456442449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512456442449 is an equidigital number, since it uses as much as digits as its factorization.

2512456442449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11059200, while the sum is 52.

The spelling of 2512456442449 in words is "two trillion, five hundred twelve billion, four hundred fifty-six million, four hundred forty-two thousand, four hundred forty-nine".