6449669446 has 16 divisors (see below), whose sum is σ = 10727023248. Its totient is φ = 2883607200.

The previous prime is 6449669419. The next prime is 6449669477.

6449669446 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2401665 + ... + 2404348.

It is an arithmetic number, because the mean of its divisors is an integer number (670438953).

Almost surely, 2^6449669446 is an apocalyptic number.

6449669446 is a deficient number, since it is larger than the sum of its proper divisors (4277353802).

6449669446 is a wasteful number, since it uses less digits than its factorization.

6449669446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806087.

The product of its digits is 26873856, while the sum is 58.

The square root of 6449669446 is about 80309.8340553634. The cubic root of 6449669446 is about 1861.4261854311.

The spelling of 6449669446 in words is "six billion, four hundred forty-nine million, six hundred sixty-nine thousand, four hundred forty-six".