8153733021 has 8 divisors (see below), whose sum is σ = 12424736064. Its totient is φ = 4659276000.

The previous prime is 8153732989. The next prime is 8153733023. The reversal of 8153733021 is 1203373518.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8153733021 - 2⁵ = 8153732989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8153733023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194136480 + ... + 194136521.

It is an arithmetic number, because the mean of its divisors is an integer number (1553092008).

Almost surely, 2^8153733021 is an apocalyptic number.

It is an amenable number.

8153733021 is a deficient number, since it is larger than the sum of its proper divisors (4271003043).

8153733021 is a wasteful number, since it uses less digits than its factorization.

8153733021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388273011.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 8153733021 is about 90298.0233504588. The cubic root of 8153733021 is about 2012.7298881506.

The spelling of 8153733021 in words is "eight billion, one hundred fifty-three million, seven hundred thirty-three thousand, twenty-one".