6419983 has 2 divisors, whose sum is σ = 6419984. Its totient is φ = 6419982.

The previous prime is 6419971. The next prime is 6419989. The reversal of 6419983 is 3899146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6419983 - 2¹³ = 6411791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6419989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209991 + 3209992.

It is an arithmetic number, because the mean of its divisors is an integer number (3209992).

Almost surely, 2^6419983 is an apocalyptic number.

6419983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6419983 is an equidigital number, since it uses as much as digits as its factorization.

6419983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 6419983 is about 2533.7685371794. The cubic root of 6419983 is about 185.8565877223.

The spelling of 6419983 in words is "six million, four hundred nineteen thousand, nine hundred eighty-three".