25461941773 has 2 divisors, whose sum is σ = 25461941774. Its totient is φ = 25461941772.

The previous prime is 25461941699. The next prime is 25461941801. The reversal of 25461941773 is 37714916452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14795803044 + 10666138729 = 121638^2 + 103277^2 .

It is a cyclic number.

It is not a de Polignac number, because 25461941773 - 2²¹ = 25459844621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25461941273) 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, 12730970886 + 12730970887.

It is an arithmetic number, because the mean of its divisors is an integer number (12730970887).

Almost surely, 2^25461941773 is an apocalyptic number.

It is an amenable number.

25461941773 is a deficient number, since it is larger than the sum of its proper divisors (1).

25461941773 is an equidigital number, since it uses as much as digits as its factorization.

25461941773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The spelling of 25461941773 in words is "twenty-five billion, four hundred sixty-one million, nine hundred forty-one thousand, seven hundred seventy-three".