25884943603 has 2 divisors, whose sum is σ = 25884943604. Its totient is φ = 25884943602.

The previous prime is 25884943589. The next prime is 25884943661. The reversal of 25884943603 is 30634948852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25884943603 - 2⁵ = 25884943571 is a prime.

It is not a weakly prime, because it can be changed into another prime (25884983603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942471801 + 12942471802.

It is an arithmetic number, because the mean of its divisors is an integer number (12942471802).

Almost surely, 2^25884943603 is an apocalyptic number.

25884943603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25884943603 is an equidigital number, since it uses as much as digits as its factorization.

25884943603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 25884943603 in words is "twenty-five billion, eight hundred eighty-four million, nine hundred forty-three thousand, six hundred three".