442165450533461 has 4 divisors (see below), whose sum is σ = 442165563868812. Its totient is φ = 442165337198112.

The previous prime is 442165450533451. The next prime is 442165450533479. The reversal of 442165450533461 is 164335054561244.

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 403110262691236 + 39055187842225 = 20077606^2 + 6249415^2 .

It is a cyclic number.

It is not a de Polignac number, because 442165450533461 - 2⁶ = 442165450533397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442165450533451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50598950 + ... + 58690583.

It is an arithmetic number, because the mean of its divisors is an integer number (110541390967203).

Almost surely, 2^{442165450533461} is an apocalyptic number.

It is an amenable number.

442165450533461 is a deficient number, since it is larger than the sum of its proper divisors (113335351).

442165450533461 is a wasteful number, since it uses less digits than its factorization.

442165450533461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113335350.

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 442165450533461 in words is "four hundred forty-two trillion, one hundred sixty-five billion, four hundred fifty million, five hundred thirty-three thousand, four hundred sixty-one".