273309516365 has 16 divisors (see below), whose sum is σ = 338110703280. Its totient is φ = 211956026880.

The previous prime is 273309516343. The next prime is 273309516397. The reversal of 273309516365 is 563615903372.

It can be written as a sum of positive squares in 8 ways, for example, as 6766543081 + 266542973284 = 82259^2 + 516278^2 .

It is not a de Polignac number, because 273309516365 - 2¹⁶ = 273309450829 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4213730 + ... + 4278099.

It is an arithmetic number, because the mean of its divisors is an integer number (21131918955).

Almost surely, 2^273309516365 is an apocalyptic number.

It is an amenable number.

273309516365 is a deficient number, since it is larger than the sum of its proper divisors (64801186915).

273309516365 is a wasteful number, since it uses less digits than its factorization.

273309516365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492032.

The product of its (nonzero) digits is 3061800, while the sum is 50.

The spelling of 273309516365 in words is "two hundred seventy-three billion, three hundred nine million, five hundred sixteen thousand, three hundred sixty-five".