42452223017 has 4 divisors (see below), whose sum is σ = 42762093396. Its totient is φ = 42142352640.

The previous prime is 42452223007. The next prime is 42452223031. The reversal of 42452223017 is 71032225424.

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 12391251856 + 30060971161 = 111316^2 + 173381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42452223017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42452223007) 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, 154934984 + ... + 154935257.

It is an arithmetic number, because the mean of its divisors is an integer number (10690523349).

Almost surely, 2^42452223017 is an apocalyptic number.

It is an amenable number.

42452223017 is a deficient number, since it is larger than the sum of its proper divisors (309870379).

42452223017 is a wasteful number, since it uses less digits than its factorization.

42452223017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309870378.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 42452223017 in words is "forty-two billion, four hundred fifty-two million, two hundred twenty-three thousand, seventeen".