6449229446 has 64 divisors (see below), whose sum is σ = 11304982080. Its totient is φ = 2726952960.

The previous prime is 6449229443. The next prime is 6449229461.

6449229446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6449229394 and 6449229403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449229443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22010876 + ... + 22011168.

It is an arithmetic number, because the mean of its divisors is an integer number (176640345).

Almost surely, 2^6449229446 is an apocalyptic number.

6449229446 is a deficient number, since it is larger than the sum of its proper divisors (4855752634).

6449229446 is a wasteful number, since it uses less digits than its factorization.

6449229446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

The product of its digits is 2985984, while the sum is 50.

The square root of 6449229446 is about 80307.0946180971. The cubic root of 6449229446 is about 1861.3838552954.

The spelling of 6449229446 in words is "six billion, four hundred forty-nine million, two hundred twenty-nine thousand, four hundred forty-six".