8422609939 has 8 divisors (see below), whose sum is σ = 8543592288. Its totient is φ = 8301693120.

The previous prime is 8422609903. The next prime is 8422609991. The reversal of 8422609939 is 9399062248.

It is a happy number.

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 8422609939 - 2²¹ = 8420512787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8422600939) 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, 280879 + ... + 309415.

It is an arithmetic number, because the mean of its divisors is an integer number (1067949036).

Almost surely, 2^8422609939 is an apocalyptic number.

8422609939 is a deficient number, since it is larger than the sum of its proper divisors (120982349).

8422609939 is a wasteful number, since it uses less digits than its factorization.

8422609939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32765.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 8422609939 is about 91774.7783380597. The cubic root of 8422609939 is about 2034.6149415426.

The spelling of 8422609939 in words is "eight billion, four hundred twenty-two million, six hundred nine thousand, nine hundred thirty-nine".