6469943 has 2 divisors, whose sum is σ = 6469944. Its totient is φ = 6469942.

The previous prime is 6469921. The next prime is 6469949. The reversal of 6469943 is 3499646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6469943 - 2¹² = 6465847 is a prime.

It is a d-powerful number, because it can be written as 6² + 4² + 6⁸ + 9³ + 9⁴ + 4² + 3¹⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 6469943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6469949) 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, 3234971 + 3234972.

It is an arithmetic number, because the mean of its divisors is an integer number (3234972).

Almost surely, 2^6469943 is an apocalyptic number.

6469943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6469943 is an equidigital number, since it uses as much as digits as its factorization.

6469943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 6469943 is about 2543.6082638645. The cubic root of 6469943 is about 186.3374515372.

It can be divided in two parts, 64 and 69943, that added together give a palindrome (70007).

The spelling of 6469943 in words is "six million, four hundred sixty-nine thousand, nine hundred forty-three".