25041440239 has 2 divisors, whose sum is σ = 25041440240. Its totient is φ = 25041440238.

The previous prime is 25041440219. The next prime is 25041440243. The reversal of 25041440239 is 93204414052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25041440239 - 2¹³ = 25041432047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25041440219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520720119 + 12520720120.

It is an arithmetic number, because the mean of its divisors is an integer number (12520720120).

Almost surely, 2^25041440239 is an apocalyptic number.

25041440239 is a deficient number, since it is larger than the sum of its proper divisors (1).

25041440239 is an equidigital number, since it uses as much as digits as its factorization.

25041440239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 25041440239 in words is "twenty-five billion, forty-one million, four hundred forty thousand, two hundred thirty-nine".