2502637512449 has 2 divisors, whose sum is σ = 2502637512450. Its totient is φ = 2502637512448.

The previous prime is 2502637512443. The next prime is 2502637512527. The reversal of 2502637512449 is 9442157362052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1785216654400 + 717420858049 = 1336120^2 + 847007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502637512449 - 2¹² = 2502637508353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2502637512397 and 2502637512406.

It is not a weakly prime, because it can be changed into another prime (2502637512443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251318756224 + 1251318756225.

It is an arithmetic number, because the mean of its divisors is an integer number (1251318756225).

Almost surely, 2^{2502637512449} is an apocalyptic number.

It is an amenable number.

2502637512449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502637512449 is an equidigital number, since it uses as much as digits as its factorization.

2502637512449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 2502637512449 in words is "two trillion, five hundred two billion, six hundred thirty-seven million, five hundred twelve thousand, four hundred forty-nine".