442364963 has 4 divisors (see below), whose sum is σ = 442481760. Its totient is φ = 442248168.

The previous prime is 442364929. The next prime is 442364971. The reversal of 442364963 is 369463244.

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 442364963 - 2¹⁰ = 442363939 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 442364963.

It is not an unprimeable number, because it can be changed into a prime (442364903) 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, 52520 + ... + 60357.

It is an arithmetic number, because the mean of its divisors is an integer number (110620440).

Almost surely, 2^442364963 is an apocalyptic number.

442364963 is a deficient number, since it is larger than the sum of its proper divisors (116797).

442364963 is a wasteful number, since it uses less digits than its factorization.

442364963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116796.

The product of its digits is 373248, while the sum is 41.

The square root of 442364963 is about 21032.4740104439. The cubic root of 442364963 is about 761.9507612569.

The spelling of 442364963 in words is "four hundred forty-two million, three hundred sixty-four thousand, nine hundred sixty-three".