273887038345 has 4 divisors (see below), whose sum is σ = 328664446020. Its totient is φ = 219109630672.

The previous prime is 273887038279. The next prime is 273887038361. The reversal of 273887038345 is 543830788372.

It is a happy number.

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 70988142096 + 202898896249 = 266436^2 + 450443^2 .

It is a cyclic number.

It is not a de Polignac number, because 273887038345 - 2⁹ = 273887037833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273887038345.

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, 27388703830 + ... + 27388703839.

It is an arithmetic number, because the mean of its divisors is an integer number (82166111505).

Almost surely, 2^273887038345 is an apocalyptic number.

It is an amenable number.

273887038345 is a deficient number, since it is larger than the sum of its proper divisors (54777407675).

273887038345 is an equidigital number, since it uses as much as digits as its factorization.

273887038345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54777407674.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 273887038345 in words is "two hundred seventy-three billion, eight hundred eighty-seven million, thirty-eight thousand, three hundred forty-five".