443053470446138 has 32 divisors (see below), whose sum is σ = 676598404551120. Its totient is φ = 217532778946560.

The previous prime is 443053470446071. The next prime is 443053470446161. The reversal of 443053470446138 is 831644074350344.

It can be written as a sum of positive squares in 8 ways, for example, as 103591012253089 + 339462458193049 = 10177967^2 + 18424507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986595178 + ... + 1986818186.

Almost surely, 2^{443053470446138} is an apocalyptic number.

443053470446138 is a deficient number, since it is larger than the sum of its proper divisors (233544934104982).

443053470446138 is a wasteful number, since it uses less digits than its factorization.

443053470446138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250082.

The product of its (nonzero) digits is 46448640, while the sum is 56.

The spelling of 443053470446138 in words is "four hundred forty-three trillion, fifty-three billion, four hundred seventy million, four hundred forty-six thousand, one hundred thirty-eight".