28282443953 has 2 divisors, whose sum is σ = 28282443954. Its totient is φ = 28282443952.

The previous prime is 28282443911. The next prime is 28282444031. The reversal of 28282443953 is 35934428282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18147592369 + 10134851584 = 134713^2 + 100672^2 .

It is a cyclic number.

It is not a de Polignac number, because 28282443953 - 2⁸ = 28282443697 is a prime.

It is not a weakly prime, because it can be changed into another prime (28282443253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141221976 + 14141221977.

It is an arithmetic number, because the mean of its divisors is an integer number (14141221977).

Almost surely, 2^28282443953 is an apocalyptic number.

It is an amenable number.

28282443953 is a deficient number, since it is larger than the sum of its proper divisors (1).

28282443953 is an equidigital number, since it uses as much as digits as its factorization.

28282443953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 50.

The spelling of 28282443953 in words is "twenty-eight billion, two hundred eighty-two million, four hundred forty-three thousand, nine hundred fifty-three".