273530152330009 has 9 divisors (see below), whose sum is σ = 278088788715231. Its totient is φ = 269045059147320.

The previous prime is 273530152330003. The next prime is 273530152330027. The reversal of 273530152330009 is 900033251035372.

The square root of 273530152330009 is 16538747.

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

It can be written as a sum of positive squares in only one way, i.e., 8894691865609 + 264635460464400 = 2982397^2 + 16267620^2 .

It is not a de Polignac number, because 273530152330009 - 2⁷ = 273530152329881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273530152330003) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1008728004 + ... + 1008999130.

Almost surely, 2^{273530152330009} is an apocalyptic number.

273530152330009 is the 16538747-th square number.

273530152330009 is the 8269374-th centered octagonal number.

It is an amenable number.

273530152330009 is a deficient number, since it is larger than the sum of its proper divisors (4558636385222).

273530152330009 is an frugal number, since it uses more digits than its factorization.

273530152330009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542376 (or 271188 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 43.

The spelling of 273530152330009 in words is "two hundred seventy-three trillion, five hundred thirty billion, one hundred fifty-two million, three hundred thirty thousand, nine".