6382421719 has 2 divisors, whose sum is σ = 6382421720. Its totient is φ = 6382421718.

The previous prime is 6382421711. The next prime is 6382421723. The reversal of 6382421719 is 9171242836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6382421719 - 2³ = 6382421711 is a prime.

It is a super-2 number, since 2×6382421719² = 81470613998325829922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6382421711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191210859 + 3191210860.

It is an arithmetic number, because the mean of its divisors is an integer number (3191210860).

Almost surely, 2^6382421719 is an apocalyptic number.

6382421719 is a deficient number, since it is larger than the sum of its proper divisors (1).

6382421719 is an equidigital number, since it uses as much as digits as its factorization.

6382421719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 6382421719 is about 79890.0602015044. The cubic root of 6382421719 is about 1854.9341591411.

The spelling of 6382421719 in words is "six billion, three hundred eighty-two million, four hundred twenty-one thousand, seven hundred nineteen".