6447463441 has 8 divisors (see below), whose sum is σ = 6549935360. Its totient is φ = 6345374112.

The previous prime is 6447463427. The next prime is 6447463501. The reversal of 6447463441 is 1443647446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6447463441 - 2⁷ = 6447463313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6447463411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61581 + ... + 129178.

It is an arithmetic number, because the mean of its divisors is an integer number (818741920).

Almost surely, 2^6447463441 is an apocalyptic number.

It is an amenable number.

6447463441 is a deficient number, since it is larger than the sum of its proper divisors (102471919).

6447463441 is a wasteful number, since it uses less digits than its factorization.

6447463441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191295.

The product of its digits is 774144, while the sum is 43.

The square root of 6447463441 is about 80296.0985415854. The cubic root of 6447463441 is about 1861.2139376685.

The spelling of 6447463441 in words is "six billion, four hundred forty-seven million, four hundred sixty-three thousand, four hundred forty-one".