8133657653 has 4 divisors (see below), whose sum is σ = 8873081088. Its totient is φ = 7394234220.

The previous prime is 8133657641. The next prime is 8133657781. The reversal of 8133657653 is 3567563318.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8133657653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8133657598 and 8133657607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133657253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369711701 + ... + 369711722.

It is an arithmetic number, because the mean of its divisors is an integer number (2218270272).

Almost surely, 2^8133657653 is an apocalyptic number.

It is an amenable number.

8133657653 is a deficient number, since it is larger than the sum of its proper divisors (739423435).

8133657653 is a wasteful number, since it uses less digits than its factorization.

8133657653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739423434.

The product of its digits is 1360800, while the sum is 47.

The square root of 8133657653 is about 90186.7931185049. The cubic root of 8133657653 is about 2011.0766780988.

The spelling of 8133657653 in words is "eight billion, one hundred thirty-three million, six hundred fifty-seven thousand, six hundred fifty-three".