6463709 has 4 divisors (see below), whose sum is σ = 7387104. Its totient is φ = 5540316.

The previous prime is 6463703. The next prime is 6463727. The reversal of 6463709 is 9073646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6463709 - 2⁴ = 6463693 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 4² + 6⁸ + 3¹⁴ + 7³ + 0 + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463703) 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 in 3 ways as a sum of consecutive naturals, for example, 461687 + ... + 461700.

It is an arithmetic number, because the mean of its divisors is an integer number (1846776).

Almost surely, 2^6463709 is an apocalyptic number.

It is an amenable number.

6463709 is a deficient number, since it is larger than the sum of its proper divisors (923395).

6463709 is an equidigital number, since it uses as much as digits as its factorization.

6463709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923394.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 6463709 is about 2542.3825439929. The cubic root of 6463709 is about 186.2775849118.

The spelling of 6463709 in words is "six million, four hundred sixty-three thousand, seven hundred nine".