446664630143 has 16 divisors (see below), whose sum is σ = 467208953856. Its totient is φ = 426666732960.

The previous prime is 446664630131. The next prime is 446664630163. The reversal of 446664630143 is 341036466644.

It is a cyclic number.

It is not a de Polignac number, because 446664630143 - 2²⁸ = 446396194687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446664630163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6380 + ... + 945182.

It is an arithmetic number, because the mean of its divisors is an integer number (29200559616).

Almost surely, 2^446664630143 is an apocalyptic number.

446664630143 is a deficient number, since it is larger than the sum of its proper divisors (20544323713).

446664630143 is a wasteful number, since it uses less digits than its factorization.

446664630143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939094.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 446664630143 in words is "four hundred forty-six billion, six hundred sixty-four million, six hundred thirty thousand, one hundred forty-three".