8642005053 has 16 divisors (see below), whose sum is σ = 12572110656. Its totient is φ = 5236778240.

The previous prime is 8642005033. The next prime is 8642005061. The reversal of 8642005053 is 3505002468.

It is a cyclic number.

It is not a de Polignac number, because 8642005053 - 2⁶ = 8642004989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642005033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255925 + ... + 287717.

It is an arithmetic number, because the mean of its divisors is an integer number (785756916).

Almost surely, 2^8642005053 is an apocalyptic number.

It is an amenable number.

8642005053 is a deficient number, since it is larger than the sum of its proper divisors (3930105603).

8642005053 is a wasteful number, since it uses less digits than its factorization.

8642005053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40044.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 8642005053 is about 92962.3851511997. The cubic root of 8642005053 is about 2052.1298548646.

The spelling of 8642005053 in words is "eight billion, six hundred forty-two million, five thousand, fifty-three".