25460050549 has 2 divisors, whose sum is σ = 25460050550. Its totient is φ = 25460050548.

The previous prime is 25460050529. The next prime is 25460050601. The reversal of 25460050549 is 94505006452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21901928049 + 3558122500 = 147993^2 + 59650^2 .

It is a cyclic number.

It is not a de Polignac number, because 25460050549 - 2¹¹ = 25460048501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25460050529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730025274 + 12730025275.

It is an arithmetic number, because the mean of its divisors is an integer number (12730025275).

Almost surely, 2^25460050549 is an apocalyptic number.

It is an amenable number.

25460050549 is a deficient number, since it is larger than the sum of its proper divisors (1).

25460050549 is an equidigital number, since it uses as much as digits as its factorization.

25460050549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 25460050549 in words is "twenty-five billion, four hundred sixty million, fifty thousand, five hundred forty-nine".