6422661289 has 8 divisors (see below), whose sum is σ = 7311172032. Its totient is φ = 5584922640.

The previous prime is 6422661239. The next prime is 6422661299. The reversal of 6422661289 is 9821662246.

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

It is not a de Polignac number, because 6422661289 - 2²⁷ = 6288443561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422661239) 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, 12692754 + ... + 12693259.

It is an arithmetic number, because the mean of its divisors is an integer number (913896504).

Almost surely, 2^6422661289 is an apocalyptic number.

It is an amenable number.

6422661289 is a deficient number, since it is larger than the sum of its proper divisors (888510743).

6422661289 is a wasteful number, since it uses less digits than its factorization.

6422661289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25386047.

The product of its digits is 497664, while the sum is 46.

The square root of 6422661289 is about 80141.5079032083. The cubic root of 6422661289 is about 1858.8242935089.

The spelling of 6422661289 in words is "six billion, four hundred twenty-two million, six hundred sixty-one thousand, two hundred eighty-nine".