6469339646 has 32 divisors (see below), whose sum is σ = 12103333632. Its totient is φ = 2519516160.

The previous prime is 6469339619. The next prime is 6469339649.

It is a happy number.

6469339646 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6469339591 and 6469339600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469339649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465470 + ... + 479166.

It is an arithmetic number, because the mean of its divisors is an integer number (378229176).

Almost surely, 2^6469339646 is an apocalyptic number.

6469339646 is a deficient number, since it is larger than the sum of its proper divisors (5633993986).

6469339646 is a wasteful number, since it uses less digits than its factorization.

6469339646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16784.

The product of its digits is 15116544, while the sum is 56.

The square root of 6469339646 is about 80432.2052787315. The cubic root of 6469339646 is about 1863.3165906254.

The spelling of 6469339646 in words is "six billion, four hundred sixty-nine million, three hundred thirty-nine thousand, six hundred forty-six".