8655021213 has 8 divisors (see below), whose sum is σ = 11552347968. Its totient is φ = 5763854304.

The previous prime is 8655021163. The next prime is 8655021229. The reversal of 8655021213 is 3121205568.

8655021213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8655021213 - 2⁶ = 8655021149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8655021253) 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, 1536681 + ... + 1542302.

It is an arithmetic number, because the mean of its divisors is an integer number (1444043496).

Almost surely, 2^8655021213 is an apocalyptic number.

It is an amenable number.

8655021213 is a deficient number, since it is larger than the sum of its proper divisors (2897326755).

8655021213 is a wasteful number, since it uses less digits than its factorization.

8655021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079923.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 8655021213 is about 93032.3664807039. The cubic root of 8655021213 is about 2053.1596101660.

The spelling of 8655021213 in words is "eight billion, six hundred fifty-five million, twenty-one thousand, two hundred thirteen".