28626267253 has 2 divisors, whose sum is σ = 28626267254. Its totient is φ = 28626267252.

The previous prime is 28626267247. The next prime is 28626267277. The reversal of 28626267253 is 35276262682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27904700209 + 721567044 = 167047^2 + 26862^2 .

It is a cyclic number.

It is not a de Polignac number, because 28626267253 - 2¹³ = 28626259061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28626267197 and 28626267206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28626267223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313133626 + 14313133627.

It is an arithmetic number, because the mean of its divisors is an integer number (14313133627).

Almost surely, 2^28626267253 is an apocalyptic number.

It is an amenable number.

28626267253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28626267253 is an equidigital number, since it uses as much as digits as its factorization.

28626267253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 49.

The spelling of 28626267253 in words is "twenty-eight billion, six hundred twenty-six million, two hundred sixty-seven thousand, two hundred fifty-three".