443983796069 has 16 divisors (see below), whose sum is σ = 489840099840. Its totient is φ = 399054600000.

The previous prime is 443983796063. The next prime is 443983796099. The reversal of 443983796069 is 960697389344.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 443983796069 - 2²⁰ = 443982747493 is a prime.

It is a super-2 number, since 2×443983796069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443983796063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493772 + ... + 1063850.

It is an arithmetic number, because the mean of its divisors is an integer number (30615006240).

Almost surely, 2^443983796069 is an apocalyptic number.

It is an amenable number.

443983796069 is a deficient number, since it is larger than the sum of its proper divisors (45856303771).

443983796069 is a wasteful number, since it uses less digits than its factorization.

443983796069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570892.

The product of its (nonzero) digits is 211631616, while the sum is 68.

The spelling of 443983796069 in words is "four hundred forty-three billion, nine hundred eighty-three million, seven hundred ninety-six thousand, sixty-nine".