273989617441 has 4 divisors (see below), whose sum is σ = 274055216452. Its totient is φ = 273924018432.

The previous prime is 273989617409. The next prime is 273989617459. The reversal of 273989617441 is 144716989372.

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 216593436816 + 57396180625 = 465396^2 + 239575^2 .

It is a cyclic number.

It is not a de Polignac number, because 273989617441 - 2⁵ = 273989617409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 273989617441.

It is not an unprimeable number, because it can be changed into a prime (273989617471) 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, 32793240 + ... + 32801593.

It is an arithmetic number, because the mean of its divisors is an integer number (68513804113).

Almost surely, 2^273989617441 is an apocalyptic number.

It is an amenable number.

273989617441 is a deficient number, since it is larger than the sum of its proper divisors (65599011).

273989617441 is an equidigital number, since it uses as much as digits as its factorization.

273989617441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65599010.

The product of its digits is 18289152, while the sum is 61.

The spelling of 273989617441 in words is "two hundred seventy-three billion, nine hundred eighty-nine million, six hundred seventeen thousand, four hundred forty-one".