443340740677 has 4 divisors (see below), whose sum is σ = 454153929516. Its totient is φ = 432527551840.

The previous prime is 443340740659. The next prime is 443340740701. The reversal of 443340740677 is 776047043344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183127508356 + 260213232321 = 427934^2 + 510111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443340740677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 443340740677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443340740627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5406594358 + ... + 5406594439.

It is an arithmetic number, because the mean of its divisors is an integer number (113538482379).

Almost surely, 2^443340740677 is an apocalyptic number.

It is an amenable number.

443340740677 is a deficient number, since it is larger than the sum of its proper divisors (10813188839).

443340740677 is a wasteful number, since it uses less digits than its factorization.

443340740677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813188838.

The product of its (nonzero) digits is 4741632, while the sum is 49.

The spelling of 443340740677 in words is "four hundred forty-three billion, three hundred forty million, seven hundred forty thousand, six hundred seventy-seven".