6469189 has 2 divisors, whose sum is σ = 6469190. Its totient is φ = 6469188.

The previous prime is 6469171. The next prime is 6469193. The reversal of 6469189 is 9819646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 2666689 = 1950^2 + 1633^2 .

It is a cyclic number.

It is not a de Polignac number, because 6469189 - 2⁵ = 6469157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6469159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234594 + 3234595.

It is an arithmetic number, because the mean of its divisors is an integer number (3234595).

Almost surely, 2^6469189 is an apocalyptic number.

It is an amenable number.

6469189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6469189 is an equidigital number, since it uses as much as digits as its factorization.

6469189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 6469189 is about 2543.4600448995. The cubic root of 6469189 is about 186.3302127358.

The spelling of 6469189 in words is "six million, four hundred sixty-nine thousand, one hundred eighty-nine".