6463723618 has 8 divisors (see below), whose sum is σ = 10577002320. Its totient is φ = 2938056180.

The previous prime is 6463723613. The next prime is 6463723627. The reversal of 6463723618 is 8163273646.

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

It is not an unprimeable number, because it can be changed into a prime (6463723613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146902788 + ... + 146902831.

It is an arithmetic number, because the mean of its divisors is an integer number (1322125290).

Almost surely, 2^6463723618 is an apocalyptic number.

6463723618 is a deficient number, since it is larger than the sum of its proper divisors (4113278702).

6463723618 is a wasteful number, since it uses less digits than its factorization.

6463723618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293805632.

The product of its digits is 870912, while the sum is 46.

The square root of 6463723618 is about 80397.2861357894. The cubic root of 6463723618 is about 1862.7772533702. Note that the first 3 decimals are identical.

The spelling of 6463723618 in words is "six billion, four hundred sixty-three million, seven hundred twenty-three thousand, six hundred eighteen".