8268340653 has 16 divisors (see below), whose sum is σ = 12457012800. Its totient is φ = 5418798480.

The previous prime is 8268340649. The next prime is 8268340657. The reversal of 8268340653 is 3560438628.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8268340649) and next prime (8268340657).

It is not a de Polignac number, because 8268340653 - 2² = 8268340649 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8268340599 and 8268340608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8268340657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593618 + ... + 2596803.

It is an arithmetic number, because the mean of its divisors is an integer number (778563300).

Almost surely, 2^8268340653 is an apocalyptic number.

It is an amenable number.

8268340653 is a deficient number, since it is larger than the sum of its proper divisors (4188672147).

8268340653 is a wasteful number, since it uses less digits than its factorization.

8268340653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190489 (or 5190483 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 8268340653 is about 90930.4165447404. The cubic root of 8268340653 is about 2022.1162552358.

The spelling of 8268340653 in words is "eight billion, two hundred sixty-eight million, three hundred forty thousand, six hundred fifty-three".