25328889041 has 2 divisors, whose sum is σ = 25328889042. Its totient is φ = 25328889040.

The previous prime is 25328889013. The next prime is 25328889121. The reversal of 25328889041 is 14098882352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21529399441 + 3799489600 = 146729^2 + 61640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25328889041 is a prime.

It is not a weakly prime, because it can be changed into another prime (25328889011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12664444520 + 12664444521.

It is an arithmetic number, because the mean of its divisors is an integer number (12664444521).

Almost surely, 2^25328889041 is an apocalyptic number.

It is an amenable number.

25328889041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25328889041 is an equidigital number, since it uses as much as digits as its factorization.

25328889041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 25328889041 in words is "twenty-five billion, three hundred twenty-eight million, eight hundred eighty-nine thousand, forty-one".