6658422999 has 4 divisors (see below), whose sum is σ = 8877897336. Its totient is φ = 4438948664.

The previous prime is 6658422971. The next prime is 6658423003. The reversal of 6658422999 is 9992248566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6658422999 - 2¹² = 6658418903 is a prime.

It is a super-2 number, since 2×6658422999² = 88669193667224308002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658422599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109737164 + ... + 1109737169.

It is an arithmetic number, because the mean of its divisors is an integer number (2219474334).

Almost surely, 2^6658422999 is an apocalyptic number.

6658422999 is a deficient number, since it is larger than the sum of its proper divisors (2219474337).

6658422999 is a wasteful number, since it uses less digits than its factorization.

6658422999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219474336.

The product of its digits is 16796160, while the sum is 60.

The square root of 6658422999 is about 81599.1605287701. The cubic root of 6658422999 is about 1881.2959789589.

The spelling of 6658422999 in words is "six billion, six hundred fifty-eight million, four hundred twenty-two thousand, nine hundred ninety-nine".