6144709 has 2 divisors, whose sum is σ = 6144710. Its totient is φ = 6144708.

The previous prime is 6144707. The next prime is 6144751. The reversal of 6144709 is 9074416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6140484 + 4225 = 2478^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 6144709 - 2¹ = 6144707 is a prime.

Together with 6144707, it forms a pair of twin primes.

6144709 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6144707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072354 + 3072355.

It is an arithmetic number, because the mean of its divisors is an integer number (3072355).

Almost surely, 2^6144709 is an apocalyptic number.

It is an amenable number.

6144709 is a deficient number, since it is larger than the sum of its proper divisors (1).

6144709 is an equidigital number, since it uses as much as digits as its factorization.

6144709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6144709 is about 2478.8523554258. The cubic root of 6144709 is about 183.1613236973.

The spelling of 6144709 in words is "six million, one hundred forty-four thousand, seven hundred nine".