173087098250049 has 27 divisors (see below), whose sum is σ = 250791239921859. Its totient is φ = 115034101205760.

The previous prime is 173087098250041. The next prime is 173087098250069. The reversal of 173087098250049 is 940052890780371.

The square root of 173087098250049 is 13156257.

It is a perfect power (a square), and thus also a powerful number.

173087098250049 is a `hidden beast` number, since 1 + 7 + 3 + 0 + 8 + 7 + 0 + 9 + 82 + 500 + 49 = 666.

173087098250049 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44940170210049 + 128146928040000 = 6703743^2 + 11320200^2 .

It is not a de Polignac number, because 173087098250049 - 2³ = 173087098250041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173087098250041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13064156577 + ... + 13064169825.

Almost surely, 2^{173087098250049} is an apocalyptic number.

173087098250049 is the 13156257-th square number.

173087098250049 is the 6578129-th centered octagonal number.

It is an amenable number.

173087098250049 is a deficient number, since it is larger than the sum of its proper divisors (77704141671810).

173087098250049 is an frugal number, since it uses more digits than its factorization.

173087098250049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27166 (or 13583 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 173087098250049 in words is "one hundred seventy-three trillion, eighty-seven billion, ninety-eight million, two hundred fifty thousand, forty-nine".