8421233365 has 8 divisors (see below), whose sum is σ = 10144802520. Its totient is φ = 6710771712.

The previous prime is 8421233347. The next prime is 8421233393. The reversal of 8421233365 is 5633321248.

It can be written as a sum of positive squares in 4 ways, for example, as 2087301969 + 6333931396 = 45687^2 + 79586^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8421233365 - 2¹⁷ = 8421102293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275460 + ... + 3278029.

It is an arithmetic number, because the mean of its divisors is an integer number (1268100315).

Almost surely, 2^8421233365 is an apocalyptic number.

It is an amenable number.

8421233365 is a deficient number, since it is larger than the sum of its proper divisors (1723569155).

8421233365 is a wasteful number, since it uses less digits than its factorization.

8421233365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553751.

The product of its digits is 103680, while the sum is 37.

The square root of 8421233365 is about 91767.2782913387. The cubic root of 8421233365 is about 2034.5040910798.

The spelling of 8421233365 in words is "eight billion, four hundred twenty-one million, two hundred thirty-three thousand, three hundred sixty-five".