25428907703 has 2 divisors, whose sum is σ = 25428907704. Its totient is φ = 25428907702.

The previous prime is 25428907687. The next prime is 25428907729. The reversal of 25428907703 is 30770982452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25428907703 - 2⁴ = 25428907687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25428907793) 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, 12714453851 + 12714453852.

It is an arithmetic number, because the mean of its divisors is an integer number (12714453852).

Almost surely, 2^25428907703 is an apocalyptic number.

25428907703 is a deficient number, since it is larger than the sum of its proper divisors (1).

25428907703 is an equidigital number, since it uses as much as digits as its factorization.

25428907703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 25428907703 in words is "twenty-five billion, four hundred twenty-eight million, nine hundred seven thousand, seven hundred three".