442205600654243 has 4 divisors (see below), whose sum is σ = 442460768342448. Its totient is φ = 441950432966040.

The previous prime is 442205600654123. The next prime is 442205600654249. The reversal of 442205600654243 is 342456006502244.

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

It is a cyclic number.

It is not a de Polignac number, because 442205600654243 - 2¹⁸ = 442205600392099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442205600654249) 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, 127583841503 + ... + 127583844968.

It is an arithmetic number, because the mean of its divisors is an integer number (110615192085612).

Almost surely, 2^{442205600654243} is an apocalyptic number.

442205600654243 is a deficient number, since it is larger than the sum of its proper divisors (255167688205).

442205600654243 is a wasteful number, since it uses less digits than its factorization.

442205600654243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255167688204.

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 442205600654243 in words is "four hundred forty-two trillion, two hundred five billion, six hundred million, six hundred fifty-four thousand, two hundred forty-three".