8473155842 has 6 divisors (see below), whose sum is σ = 12709929033. Its totient is φ = 4236512832.

The previous prime is 8473155839. The next prime is 8473155857. The reversal of 8473155842 is 2485513748.

It can be written as a sum of positive squares in 2 ways, for example, as 4766659681 + 3706496161 = 69041^2 + 60881^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=65089.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 97634 + ... + 162722.

Almost surely, 2^8473155842 is an apocalyptic number.

8473155842 is a deficient number, since it is larger than the sum of its proper divisors (4236773191).

8473155842 is an frugal number, since it uses more digits than its factorization.

8473155842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130180 (or 65091 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 8473155842 is about 92049.7465613024. The cubic root of 8473155842 is about 2038.6768815187.

The spelling of 8473155842 in words is "eight billion, four hundred seventy-three million, one hundred fifty-five thousand, eight hundred forty-two".