273744713573 has 4 divisors (see below), whose sum is σ = 274012828908. Its totient is φ = 273476598240.

The previous prime is 273744713509. The next prime is 273744713579. The reversal of 273744713573 is 375317447372.

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 95476674049 + 178268039524 = 308993^2 + 422218^2 .

It is a cyclic number.

It is not a de Polignac number, because 273744713573 - 2⁶ = 273744713509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273744713579) 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, 134056136 + ... + 134058177.

It is an arithmetic number, because the mean of its divisors is an integer number (68503207227).

Almost surely, 2^273744713573 is an apocalyptic number.

It is an amenable number.

273744713573 is a deficient number, since it is larger than the sum of its proper divisors (268115335).

273744713573 is a wasteful number, since it uses less digits than its factorization.

273744713573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268115334.

The product of its digits is 10372320, while the sum is 53.

The spelling of 273744713573 in words is "two hundred seventy-three billion, seven hundred forty-four million, seven hundred thirteen thousand, five hundred seventy-three".