443630421016 has 32 divisors (see below), whose sum is σ = 849676884480. Its totient is φ = 217051828000.

The previous prime is 443630420993. The next prime is 443630421037. The reversal of 443630421016 is 610124036344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782381 + ... + 2015971.

It is an arithmetic number, because the mean of its divisors is an integer number (26552402640).

Almost surely, 2^443630421016 is an apocalyptic number.

It is an amenable number.

443630421016 is a deficient number, since it is larger than the sum of its proper divisors (406046463464).

443630421016 is a wasteful number, since it uses less digits than its factorization.

443630421016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238695 (or 238691 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 443630421016 in words is "four hundred forty-three billion, six hundred thirty million, four hundred twenty-one thousand, sixteen".