42903316173 has 4 divisors (see below), whose sum is σ = 57204421568. Its totient is φ = 28602210780.

The previous prime is 42903316151. The next prime is 42903316199. The reversal of 42903316173 is 37161330924.

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 not a de Polignac number, because 42903316173 - 2¹⁰ = 42903315149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42903316123) 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, 7150552693 + ... + 7150552698.

It is an arithmetic number, because the mean of its divisors is an integer number (14301105392).

Almost surely, 2^42903316173 is an apocalyptic number.

It is an amenable number.

42903316173 is a deficient number, since it is larger than the sum of its proper divisors (14301105395).

42903316173 is a wasteful number, since it uses less digits than its factorization.

42903316173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301105394.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 42903316173 in words is "forty-two billion, nine hundred three million, three hundred sixteen thousand, one hundred seventy-three".