442525643065 has 32 divisors (see below), whose sum is σ = 584896878720. Its totient is φ = 318733747200.

The previous prime is 442525643059. The next prime is 442525643083. The reversal of 442525643065 is 560346525244.

It is not a de Polignac number, because 442525643065 - 2⁹ = 442525642553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13574385 + ... + 13606945.

It is an arithmetic number, because the mean of its divisors is an integer number (18278027460).

Almost surely, 2^442525643065 is an apocalyptic number.

It is an amenable number.

442525643065 is a deficient number, since it is larger than the sum of its proper divisors (142371235655).

442525643065 is a wasteful number, since it uses less digits than its factorization.

442525643065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34953.

The product of its (nonzero) digits is 3456000, while the sum is 46.

The spelling of 442525643065 in words is "four hundred forty-two billion, five hundred twenty-five million, six hundred forty-three thousand, sixty-five".