854049173 has 4 divisors (see below), whose sum is σ = 872220480. Its totient is φ = 835877868.

The previous prime is 854049169. The next prime is 854049181. The reversal of 854049173 is 371940458.

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 854049173 - 2² = 854049169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 854049173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854049103) 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, 9085583 + ... + 9085676.

It is an arithmetic number, because the mean of its divisors is an integer number (218055120).

Almost surely, 2^854049173 is an apocalyptic number.

It is an amenable number.

854049173 is a deficient number, since it is larger than the sum of its proper divisors (18171307).

854049173 is a wasteful number, since it uses less digits than its factorization.

854049173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171306.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 854049173 is about 29224.1197130042. The cubic root of 854049173 is about 948.7700326221.

The spelling of 854049173 in words is "eight hundred fifty-four million, forty-nine thousand, one hundred seventy-three".