25424948089 has 2 divisors, whose sum is σ = 25424948090. Its totient is φ = 25424948088.

The previous prime is 25424948071. The next prime is 25424948113. The reversal of 25424948089 is 98084942452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24182738064 + 1242210025 = 155508^2 + 35245^2 .

It is a cyclic number.

It is not a de Polignac number, because 25424948089 - 2⁹ = 25424947577 is a prime.

It is not a weakly prime, because it can be changed into another prime (25424948039) 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, 12712474044 + 12712474045.

It is an arithmetic number, because the mean of its divisors is an integer number (12712474045).

Almost surely, 2^25424948089 is an apocalyptic number.

It is an amenable number.

25424948089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25424948089 is an equidigital number, since it uses as much as digits as its factorization.

25424948089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 25424948089 in words is "twenty-five billion, four hundred twenty-four million, nine hundred forty-eight thousand, eighty-nine".