173091449441 has 12 divisors (see below), whose sum is σ = 174793094784. Its totient is φ = 171406206000.

The previous prime is 173091449413. The next prime is 173091449467. The reversal of 173091449441 is 144944190371.

It is not a de Polignac number, because 173091449441 - 2²² = 173087255137 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173091449411) 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 11 ways as a sum of consecutive naturals, for example, 30305576 + ... + 30311286.

It is an arithmetic number, because the mean of its divisors is an integer number (14566091232).

Almost surely, 2^173091449441 is an apocalyptic number.

It is an amenable number.

173091449441 is a deficient number, since it is larger than the sum of its proper divisors (1701645343).

173091449441 is an equidigital number, since it uses as much as digits as its factorization.

173091449441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 173091449441 in words is "one hundred seventy-three billion, ninety-one million, four hundred forty-nine thousand, four hundred forty-one".