8921338669 has 8 divisors (see below), whose sum is σ = 8965555200. Its totient is φ = 8877160176.

The previous prime is 8921338661. The next prime is 8921338691. The reversal of 8921338669 is 9668331298.

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 8921338669 - 2³ = 8921338661 is a prime.

It is a super-2 number, since 2×8921338669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921338661) 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, 537507 + ... + 553855.

It is an arithmetic number, because the mean of its divisors is an integer number (1120694400).

Almost surely, 2^8921338669 is an apocalyptic number.

It is an amenable number.

8921338669 is a deficient number, since it is larger than the sum of its proper divisors (44216531).

8921338669 is a wasteful number, since it uses less digits than its factorization.

8921338669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19019.

The product of its digits is 3359232, while the sum is 55.

The square root of 8921338669 is about 94452.8383321539. The cubic root of 8921338669 is about 2074.0060014110.

The spelling of 8921338669 in words is "eight billion, nine hundred twenty-one million, three hundred thirty-eight thousand, six hundred sixty-nine".