8253649628 has 24 divisors (see below), whose sum is σ = 17376105600. Its totient is φ = 3351105648.

The previous prime is 8253649619. The next prime is 8253649639. The reversal of 8253649628 is 8269463528.

It is a self number, because there is not a number n which added to its sum of digits gives 8253649628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756658 + ... + 7757721.

It is an arithmetic number, because the mean of its divisors is an integer number (724004400).

Almost surely, 2^8253649628 is an apocalyptic number.

It is an amenable number.

8253649628 is an abundant number, since it is smaller than the sum of its proper divisors (9122455972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8253649628 is a wasteful number, since it uses less digits than its factorization.

8253649628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15514409 (or 15514407 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 8253649628 is about 90849.5989424279. The cubic root of 8253649628 is about 2020.9179264400.

The spelling of 8253649628 in words is "eight billion, two hundred fifty-three million, six hundred forty-nine thousand, six hundred twenty-eight".