8653864253 has 2 divisors, whose sum is σ = 8653864254. Its totient is φ = 8653864252.

The previous prime is 8653864223. The next prime is 8653864313. The reversal of 8653864253 is 3524683568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7928477764 + 725386489 = 89042^2 + 26933^2 .

It is a cyclic number.

It is not a de Polignac number, because 8653864253 - 2⁶ = 8653864189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8653864223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4326932126 + 4326932127.

It is an arithmetic number, because the mean of its divisors is an integer number (4326932127).

Almost surely, 2^8653864253 is an apocalyptic number.

It is an amenable number.

8653864253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8653864253 is an equidigital number, since it uses as much as digits as its factorization.

8653864253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 50.

The square root of 8653864253 is about 93026.1482218844. The cubic root of 8653864253 is about 2053.0681207159.

The spelling of 8653864253 in words is "eight billion, six hundred fifty-three million, eight hundred sixty-four thousand, two hundred fifty-three".