2525459549993 has 2 divisors, whose sum is σ = 2525459549994. Its totient is φ = 2525459549992.

The previous prime is 2525459549947. The next prime is 2525459550011. The reversal of 2525459549993 is 3999459545252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2521515333184 + 3944216809 = 1587928^2 + 62803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525459549993 - 2⁶ = 2525459549929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2525459549903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262729774996 + 1262729774997.

It is an arithmetic number, because the mean of its divisors is an integer number (1262729774997).

Almost surely, 2^{2525459549993} is an apocalyptic number.

It is an amenable number.

2525459549993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525459549993 is an equidigital number, since it uses as much as digits as its factorization.

2525459549993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320000, while the sum is 71.

The spelling of 2525459549993 in words is "two trillion, five hundred twenty-five billion, four hundred fifty-nine million, five hundred forty-nine thousand, nine hundred ninety-three".