442163747663 has 8 divisors (see below), whose sum is σ = 482671069776. Its totient is φ = 401708195200.

The previous prime is 442163747659. The next prime is 442163747693. The reversal of 442163747663 is 366747361244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442163747663 - 2² = 442163747659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442163747633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12924548 + ... + 12958713.

It is an arithmetic number, because the mean of its divisors is an integer number (60333883722).

Almost surely, 2^442163747663 is an apocalyptic number.

442163747663 is a deficient number, since it is larger than the sum of its proper divisors (40507322113).

442163747663 is a wasteful number, since it uses less digits than its factorization.

442163747663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884825.

The product of its digits is 12192768, while the sum is 53.

The spelling of 442163747663 in words is "four hundred forty-two billion, one hundred sixty-three million, seven hundred forty-seven thousand, six hundred sixty-three".