25750986841 has 2 divisors, whose sum is σ = 25750986842. Its totient is φ = 25750986840.

The previous prime is 25750986817. The next prime is 25750986847. The reversal of 25750986841 is 14868905752.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22837254400 + 2913732441 = 151120^2 + 53979^2 .

It is a cyclic number.

It is not a de Polignac number, because 25750986841 - 2⁷ = 25750986713 is a prime.

It is a super-2 number, since 2×25750986841² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25750986847) 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, 12875493420 + 12875493421.

It is an arithmetic number, because the mean of its divisors is an integer number (12875493421).

Almost surely, 2^25750986841 is an apocalyptic number.

It is an amenable number.

25750986841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25750986841 is an equidigital number, since it uses as much as digits as its factorization.

25750986841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 25750986841 in words is "twenty-five billion, seven hundred fifty million, nine hundred eighty-six thousand, eight hundred forty-one".