47430173173 has 4 divisors (see below), whose sum is σ = 47456776288. Its totient is φ = 47403570060.

The previous prime is 47430173159. The next prime is 47430173191. The reversal of 47430173173 is 37137103474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47430173173 - 2²¹ = 47428076021 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 (47430173123) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 13298883 + ... + 13302448.

It is an arithmetic number, because the mean of its divisors is an integer number (11864194072).

Almost surely, 2^47430173173 is an apocalyptic number.

It is an amenable number.

47430173173 is a deficient number, since it is larger than the sum of its proper divisors (26603115).

47430173173 is a wasteful number, since it uses less digits than its factorization.

47430173173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26603114.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 47430173173 in words is "forty-seven billion, four hundred thirty million, one hundred seventy-three thousand, one hundred seventy-three".