6413709 has 16 divisors (see below), whose sum is σ = 9194688. Its totient is φ = 3962112.

The previous prime is 6413699. The next prime is 6413741. The reversal of 6413709 is 9073146.

It is a happy number.

It is not a de Polignac number, because 6413709 - 2⁵ = 6413677 is a prime.

It is a super-2 number, since 2×6413709² = 82271326273362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413779) 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 in 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (574668).

Almost surely, 2^6413709 is an apocalyptic number.

It is an amenable number.

6413709 is a deficient number, since it is larger than the sum of its proper divisors (2780979).

6413709 is a wasteful number, since it uses less digits than its factorization.

6413709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 6413709 is about 2532.5301577671. The cubic root of 6413709 is about 185.7960245148.

The spelling of 6413709 in words is "six million, four hundred thirteen thousand, seven hundred nine".