25713224769901 has 2 divisors, whose sum is σ = 25713224769902. Its totient is φ = 25713224769900.

The previous prime is 25713224769811. The next prime is 25713224769931. The reversal of 25713224769901 is 10996742231752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22977392988676 + 2735831781225 = 4793474^2 + 1654035^2 .

It is a cyclic number.

It is not a de Polignac number, because 25713224769901 - 2¹⁹ = 25713224245613 is a prime.

It is a super-2 number, since 2×25713224769901² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25713224769931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12856612384950 + 12856612384951.

It is an arithmetic number, because the mean of its divisors is an integer number (12856612384951).

Almost surely, 2^{25713224769901} is an apocalyptic number.

It is an amenable number.

25713224769901 is a deficient number, since it is larger than the sum of its proper divisors (1).

25713224769901 is an equidigital number, since it uses as much as digits as its factorization.

25713224769901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 25713224769901 in words is "twenty-five trillion, seven hundred thirteen billion, two hundred twenty-four million, seven hundred sixty-nine thousand, nine hundred one".