25380027653269 has 2 divisors, whose sum is σ = 25380027653270. Its totient is φ = 25380027653268.

The previous prime is 25380027653221. The next prime is 25380027653311. The reversal of 25380027653269 is 96235672008352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23179285073169 + 2200742580100 = 4814487^2 + 1483490^2 .

It is a cyclic number.

It is not a de Polignac number, because 25380027653269 - 2¹⁵ = 25380027620501 is a prime.

It is a super-2 number, since 2×25380027653269² (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 (25380027653569) 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, 12690013826634 + 12690013826635.

It is an arithmetic number, because the mean of its divisors is an integer number (12690013826635).

Almost surely, 2^{25380027653269} is an apocalyptic number.

It is an amenable number.

25380027653269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25380027653269 is an equidigital number, since it uses as much as digits as its factorization.

25380027653269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 25380027653269 in words is "twenty-five trillion, three hundred eighty billion, twenty-seven million, six hundred fifty-three thousand, two hundred sixty-nine".