442553052113 has 4 divisors (see below), whose sum is σ = 445783366500. Its totient is φ = 439322737728.

The previous prime is 442553052079. The next prime is 442553052133. The reversal of 442553052113 is 311250355244.

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 145715502529 + 296837549584 = 381727^2 + 544828^2 .

It is a cyclic number.

It is not a de Polignac number, because 442553052113 - 2²⁴ = 442536274897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442553052133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615156988 + ... + 1615157261.

It is an arithmetic number, because the mean of its divisors is an integer number (111445841625).

Almost surely, 2^442553052113 is an apocalyptic number.

It is an amenable number.

442553052113 is a deficient number, since it is larger than the sum of its proper divisors (3230314387).

442553052113 is a wasteful number, since it uses less digits than its factorization.

442553052113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230314386.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 442553052113 in words is "four hundred forty-two billion, five hundred fifty-three million, fifty-two thousand, one hundred thirteen".