25027486369 has 2 divisors, whose sum is σ = 25027486370. Its totient is φ = 25027486368.

The previous prime is 25027486333. The next prime is 25027486373. The reversal of 25027486369 is 96368472052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23331035025 + 1696451344 = 152745^2 + 41188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25027486369 is a prime.

It is a super-2 number, since 2×25027486369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25027486469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513743184 + 12513743185.

It is an arithmetic number, because the mean of its divisors is an integer number (12513743185).

Almost surely, 2^25027486369 is an apocalyptic number.

It is an amenable number.

25027486369 is a deficient number, since it is larger than the sum of its proper divisors (1).

25027486369 is an equidigital number, since it uses as much as digits as its factorization.

25027486369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 25027486369 in words is "twenty-five billion, twenty-seven million, four hundred eighty-six thousand, three hundred sixty-nine".