8173441442 has 4 divisors (see below), whose sum is σ = 12260162166. Its totient is φ = 4086720720.

The previous prime is 8173441439. The next prime is 8173441453. The reversal of 8173441442 is 2441443718.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7534413601 + 639027841 = 86801^2 + 25279^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8173441396 and 8173441405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043360359 + ... + 2043360362.

Almost surely, 2^8173441442 is an apocalyptic number.

8173441442 is a deficient number, since it is larger than the sum of its proper divisors (4086720724).

8173441442 is a wasteful number, since it uses less digits than its factorization.

8173441442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086720723.

The product of its digits is 86016, while the sum is 38.

The square root of 8173441442 is about 90407.0873438582. The cubic root of 8173441442 is about 2014.3502425085.

The spelling of 8173441442 in words is "eight billion, one hundred seventy-three million, four hundred forty-one thousand, four hundred forty-two".