442653623273 has 4 divisors (see below), whose sum is σ = 442753707648. Its totient is φ = 442553538900.

The previous prime is 442653623263. The next prime is 442653623281. The reversal of 442653623273 is 372326356244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442653623273 - 2⁴ = 442653623257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442653623263) 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, 50035553 + ... + 50044398.

It is an arithmetic number, because the mean of its divisors is an integer number (110688426912).

Almost surely, 2^442653623273 is an apocalyptic number.

It is an amenable number.

442653623273 is a deficient number, since it is larger than the sum of its proper divisors (100084375).

442653623273 is a wasteful number, since it uses less digits than its factorization.

442653623273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100084374.

The product of its digits is 4354560, while the sum is 47.

The spelling of 442653623273 in words is "four hundred forty-two billion, six hundred fifty-three million, six hundred twenty-three thousand, two hundred seventy-three".