28573281859 has 2 divisors, whose sum is σ = 28573281860. Its totient is φ = 28573281858.

The previous prime is 28573281713. The next prime is 28573281871. The reversal of 28573281859 is 95818237582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28573281859 is a prime.

It is not a weakly prime, because it can be changed into another prime (28573285859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286640929 + 14286640930.

It is an arithmetic number, because the mean of its divisors is an integer number (14286640930).

Almost surely, 2^28573281859 is an apocalyptic number.

28573281859 is a deficient number, since it is larger than the sum of its proper divisors (1).

28573281859 is an equidigital number, since it uses as much as digits as its factorization.

28573281859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 58.

The spelling of 28573281859 in words is "twenty-eight billion, five hundred seventy-three million, two hundred eighty-one thousand, eight hundred fifty-nine".