28601836253 has 2 divisors, whose sum is σ = 28601836254. Its totient is φ = 28601836252.

The previous prime is 28601836247. The next prime is 28601836261. The reversal of 28601836253 is 35263810682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28560324004 + 41512249 = 168998^2 + 6443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28601836253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601836273) 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, 14300918126 + 14300918127.

It is an arithmetic number, because the mean of its divisors is an integer number (14300918127).

Almost surely, 2^28601836253 is an apocalyptic number.

It is an amenable number.

28601836253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601836253 is an equidigital number, since it uses as much as digits as its factorization.

28601836253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 28601836253 in words is "twenty-eight billion, six hundred one million, eight hundred thirty-six thousand, two hundred fifty-three".