6422671709 has 8 divisors (see below), whose sum is σ = 6527592408. Its totient is φ = 6318561600.

The previous prime is 6422671691. The next prime is 6422671727. The reversal of 6422671709 is 9071762246.

It is an interprime number because it is at equal distance from previous prime (6422671691) and next prime (6422671727).

It can be written as a sum of positive squares in 4 ways, for example, as 1459469209 + 4963202500 = 38203^2 + 70450^2 .

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 6422671709 - 2¹⁶ = 6422606173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6422671709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422671309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186662 + ... + 218375.

It is an arithmetic number, because the mean of its divisors is an integer number (815949051).

Almost surely, 2^6422671709 is an apocalyptic number.

It is an amenable number.

6422671709 is a deficient number, since it is larger than the sum of its proper divisors (104920699).

6422671709 is a wasteful number, since it uses less digits than its factorization.

6422671709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405295.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6422671709 is about 80141.5729131891. The cubic root of 6422671709 is about 1858.8252987485.

The spelling of 6422671709 in words is "six billion, four hundred twenty-two million, six hundred seventy-one thousand, seven hundred nine".