6344489455929 has 9 divisors (see below), whose sum is σ = 9164273462383. Its totient is φ = 4229654599632.

The previous prime is 6344489455867. The next prime is 6344489455979. The reversal of 6344489455929 is 9295549844436.

The square root of 6344489455929 is 2518827.

It is a perfect power (a square), and thus also a powerful number.

6344489455929 is a `hidden beast` number, since 6 + 3 + 4 + 4 + 4 + 89 + 455 + 92 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4305305455929 + 2039184000000 = 2074923^2 + 1428000^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 6344489455929 - 2⁹ = 6344489455417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6344489455979) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7136677 + ... + 7976285.

Almost surely, 2^{6344489455929} is an apocalyptic number.

6344489455929 is the 2518827-th square number.

6344489455929 is the 1259414-th centered octagonal number.

It is an amenable number.

6344489455929 is a deficient number, since it is larger than the sum of its proper divisors (2819784006454).

6344489455929 is an frugal number, since it uses more digits than its factorization.

6344489455929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679224 (or 839612 counting only the distinct ones).

The product of its digits is 1343692800, while the sum is 72.

The spelling of 6344489455929 in words is "six trillion, three hundred forty-four billion, four hundred eighty-nine million, four hundred fifty-five thousand, nine hundred twenty-nine".