173530484542253 has 4 divisors (see below), whose sum is σ = 183738160103580. Its totient is φ = 163322808980928.

The previous prime is 173530484542243. The next prime is 173530484542267. The reversal of 173530484542253 is 352245484035371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68416769302249 + 105113715240004 = 8271443^2 + 10252498^2 .

It is a cyclic number.

It is not a de Polignac number, because 173530484542253 - 2⁶ = 173530484542189 is a prime.

It is a super-2 number, since 2×173530484542253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173530484542243) 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, 5103837780638 + ... + 5103837780671.

It is an arithmetic number, because the mean of its divisors is an integer number (45934540025895).

Almost surely, 2^{173530484542253} is an apocalyptic number.

It is an amenable number.

173530484542253 is a deficient number, since it is larger than the sum of its proper divisors (10207675561327).

173530484542253 is a wasteful number, since it uses less digits than its factorization.

173530484542253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207675561326.

The product of its (nonzero) digits is 48384000, while the sum is 56.

The spelling of 173530484542253 in words is "one hundred seventy-three trillion, five hundred thirty billion, four hundred eighty-four million, five hundred forty-two thousand, two hundred fifty-three".