6169439 has 2 divisors, whose sum is σ = 6169440. Its totient is φ = 6169438.

The previous prime is 6169421. The next prime is 6169441. The reversal of 6169439 is 9349616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6169439 is a prime.

Together with 6169441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6169409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3084719 + 3084720.

It is an arithmetic number, because the mean of its divisors is an integer number (3084720).

Almost surely, 2^6169439 is an apocalyptic number.

6169439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6169439 is an equidigital number, since it uses as much as digits as its factorization.

6169439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 6169439 is about 2483.8355420599. The cubic root of 6169439 is about 183.4067118571.

The spelling of 6169439 in words is "six million, one hundred sixty-nine thousand, four hundred thirty-nine".