273447568045 has 4 divisors (see below), whose sum is σ = 328137081660. Its totient is φ = 218758054432.

The previous prime is 273447568027. The next prime is 273447568087. The reversal of 273447568045 is 540865744372.

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 113206677444 + 160240890601 = 336462^2 + 400301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273447568045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27344756800 + ... + 27344756809.

It is an arithmetic number, because the mean of its divisors is an integer number (82034270415).

Almost surely, 2^273447568045 is an apocalyptic number.

It is an amenable number.

273447568045 is a deficient number, since it is larger than the sum of its proper divisors (54689513615).

273447568045 is an equidigital number, since it uses as much as digits as its factorization.

273447568045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54689513614.

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 273447568045 in words is "two hundred seventy-three billion, four hundred forty-seven million, five hundred sixty-eight thousand, forty-five".