25433566259 has 2 divisors, whose sum is σ = 25433566260. Its totient is φ = 25433566258.

The previous prime is 25433566243. The next prime is 25433566373. The reversal of 25433566259 is 95266533452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25433566259 - 2⁴ = 25433566243 is a prime.

It is not a weakly prime, because it can be changed into another prime (25433566219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716783129 + 12716783130.

It is an arithmetic number, because the mean of its divisors is an integer number (12716783130).

Almost surely, 2^25433566259 is an apocalyptic number.

25433566259 is a deficient number, since it is larger than the sum of its proper divisors (1).

25433566259 is an equidigital number, since it uses as much as digits as its factorization.

25433566259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 50.

The spelling of 25433566259 in words is "twenty-five billion, four hundred thirty-three million, five hundred sixty-six thousand, two hundred fifty-nine".