6419671 has 2 divisors, whose sum is σ = 6419672. Its totient is φ = 6419670.

The previous prime is 6419669. The next prime is 6419687. The reversal of 6419671 is 1769146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6419671 - 2¹ = 6419669 is a prime.

Together with 6419669, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6419071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209835 + 3209836.

It is an arithmetic number, because the mean of its divisors is an integer number (3209836).

Almost surely, 2^6419671 is an apocalyptic number.

6419671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6419671 is an equidigital number, since it uses as much as digits as its factorization.

6419671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 6419671 is about 2533.7069680608. The cubic root of 6419671 is about 185.8535769046.

The spelling of 6419671 in words is "six million, four hundred nineteen thousand, six hundred seventy-one".