442748995849 has 8 divisors (see below), whose sum is σ = 455981814720. Its totient is φ = 429582841776.

The previous prime is 442748995841. The next prime is 442748995859. The reversal of 442748995849 is 948599847244.

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 442748995849 - 2³ = 442748995841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442748995841) 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, 16652719 + ... + 16679284.

It is an arithmetic number, because the mean of its divisors is an integer number (56997726840).

Almost surely, 2^442748995849 is an apocalyptic number.

It is an amenable number.

442748995849 is a deficient number, since it is larger than the sum of its proper divisors (13232818871).

442748995849 is a wasteful number, since it uses less digits than its factorization.

442748995849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33332399.

The product of its digits is 836075520, while the sum is 73.

The spelling of 442748995849 in words is "four hundred forty-two billion, seven hundred forty-eight million, nine hundred ninety-five thousand, eight hundred forty-nine".