173473583345 has 4 divisors (see below), whose sum is σ = 208168300020. Its totient is φ = 138778866672.

The previous prime is 173473583323. The next prime is 173473583347. The reversal of 173473583345 is 543385374371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543385374371 = 7 ⋅77626482053.

It can be written as a sum of positive squares in 2 ways, for example, as 108620339776 + 64853243569 = 329576^2 + 254663^2 .

It is a cyclic number.

It is not a de Polignac number, because 173473583345 - 2²⁸ = 173205147889 is a prime.

It is a super-2 number, since 2×173473583345² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (173473583347) 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, 17347358330 + ... + 17347358339.

It is an arithmetic number, because the mean of its divisors is an integer number (52042075005).

Almost surely, 2^173473583345 is an apocalyptic number.

It is an amenable number.

173473583345 is a deficient number, since it is larger than the sum of its proper divisors (34694716675).

173473583345 is an equidigital number, since it uses as much as digits as its factorization.

173473583345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34694716674.

The product of its digits is 12700800, while the sum is 53.

The spelling of 173473583345 in words is "one hundred seventy-three billion, four hundred seventy-three million, five hundred eighty-three thousand, three hundred forty-five".