8641729053 has 24 divisors (see below), whose sum is σ = 13391196000. Its totient is φ = 5562487728.

The previous prime is 8641729021. The next prime is 8641729069. The reversal of 8641729053 is 3509271468.

8641729053 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8641729053 - 2⁵ = 8641729021 is a prime.

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

8641729053 is strictly pandigital in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641729253) 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 23 ways as a sum of consecutive naturals, for example, 606103 + ... + 620196.

It is an arithmetic number, because the mean of its divisors is an integer number (557966500).

It is a 1-persistent number, because it is pandigital, but 2⋅8641729053 = 17283458106 is not.

Almost surely, 2^8641729053 is an apocalyptic number.

It is an amenable number.

8641729053 is a deficient number, since it is larger than the sum of its proper divisors (4749466947).

8641729053 is a wasteful number, since it uses less digits than its factorization.

8641729053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226343 (or 1226331 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 8641729053 is about 92960.9006679690. The cubic root of 8641729053 is about 2052.1080083191.

The spelling of 8641729053 in words is "eight billion, six hundred forty-one million, seven hundred twenty-nine thousand, fifty-three".