28965736253 has 2 divisors, whose sum is σ = 28965736254. Its totient is φ = 28965736252.

The previous prime is 28965736243. The next prime is 28965736367. The reversal of 28965736253 is 35263756982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21137379769 + 7828356484 = 145387^2 + 88478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28965736253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28965736213) 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, 14482868126 + 14482868127.

It is an arithmetic number, because the mean of its divisors is an integer number (14482868127).

Almost surely, 2^28965736253 is an apocalyptic number.

It is an amenable number.

28965736253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28965736253 is an equidigital number, since it uses as much as digits as its factorization.

28965736253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 56.

The spelling of 28965736253 in words is "twenty-eight billion, nine hundred sixty-five million, seven hundred thirty-six thousand, two hundred fifty-three".