442714414771721 has 4 divisors (see below), whose sum is σ = 443982937450500. Its totient is φ = 441445892092944.

The previous prime is 442714414771663. The next prime is 442714414771777. The reversal of 442714414771721 is 127177414417244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 304961118954496 + 137753295817225 = 17463136^2 + 11736835^2 .

It is a cyclic number.

It is not a de Polignac number, because 442714414771721 - 2³⁸ = 442439536864777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442714414777721) 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, 634261338866 + ... + 634261339563.

It is an arithmetic number, because the mean of its divisors is an integer number (110995734362625).

Almost surely, 2^{442714414771721} is an apocalyptic number.

It is an amenable number.

442714414771721 is a deficient number, since it is larger than the sum of its proper divisors (1268522678779).

442714414771721 is a wasteful number, since it uses less digits than its factorization.

442714414771721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268522678778.

The product of its digits is 9834496, while the sum is 56.

The spelling of 442714414771721 in words is "four hundred forty-two trillion, seven hundred fourteen billion, four hundred fourteen million, seven hundred seventy-one thousand, seven hundred twenty-one".