49773191173 has 8 divisors (see below), whose sum is σ = 51999308280. Its totient is φ = 47581060800.

The previous prime is 49773191123. The next prime is 49773191189. The reversal of 49773191173 is 37119137794.

It can be written as a sum of positive squares in 4 ways, for example, as 7323594084 + 42449597089 = 85578^2 + 206033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49773191173 - 2⁹ = 49773190661 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 49773191173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49773191113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8493690 + ... + 8499547.

It is an arithmetic number, because the mean of its divisors is an integer number (6499913535).

Almost surely, 2^49773191173 is an apocalyptic number.

It is an amenable number.

49773191173 is a deficient number, since it is larger than the sum of its proper divisors (2226117107).

49773191173 is a wasteful number, since it uses less digits than its factorization.

49773191173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16993367.

The product of its digits is 1000188, while the sum is 52.

The spelling of 49773191173 in words is "forty-nine billion, seven hundred seventy-three million, one hundred ninety-one thousand, one hundred seventy-three".