4446623663 has 8 divisors (see below), whose sum is σ = 4617553920. Its totient is φ = 4277411640.

The previous prime is 4446623653. The next prime is 4446623707. The reversal of 4446623663 is 3663266444.

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 4446623663 - 2⁴ = 4446623647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446623653) 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, 424283 + ... + 434636.

It is an arithmetic number, because the mean of its divisors is an integer number (577194240).

Almost surely, 2^4446623663 is an apocalyptic number.

4446623663 is a deficient number, since it is larger than the sum of its proper divisors (170930257).

4446623663 is a wasteful number, since it uses less digits than its factorization.

4446623663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859117.

The product of its digits is 1492992, while the sum is 44.

The square root of 4446623663 is about 66683.0088028427. The cubic root of 4446623663 is about 1644.4100597346.

The spelling of 4446623663 in words is "four billion, four hundred forty-six million, six hundred twenty-three thousand, six hundred sixty-three".