25207414439 has 2 divisors, whose sum is σ = 25207414440. Its totient is φ = 25207414438.

The previous prime is 25207414391. The next prime is 25207414469. The reversal of 25207414439 is 93441470252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25207414439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25207414396 and 25207414405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25207414469) 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, 12603707219 + 12603707220.

It is an arithmetic number, because the mean of its divisors is an integer number (12603707220).

Almost surely, 2^25207414439 is an apocalyptic number.

25207414439 is a deficient number, since it is larger than the sum of its proper divisors (1).

25207414439 is an equidigital number, since it uses as much as digits as its factorization.

25207414439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 25207414439 in words is "twenty-five billion, two hundred seven million, four hundred fourteen thousand, four hundred thirty-nine".