273924342721 has 4 divisors (see below), whose sum is σ = 274486816192. Its totient is φ = 273361869252.

The previous prime is 273924342719. The next prime is 273924342737. The reversal of 273924342721 is 127243429372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 273924342721 - 2¹ = 273924342719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273924342781) 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, 281236005 + ... + 281236978.

It is an arithmetic number, because the mean of its divisors is an integer number (68621704048).

Almost surely, 2^273924342721 is an apocalyptic number.

It is an amenable number.

273924342721 is a deficient number, since it is larger than the sum of its proper divisors (562473471).

273924342721 is an equidigital number, since it uses as much as digits as its factorization.

273924342721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562473470.

The product of its digits is 1016064, while the sum is 46.

The spelling of 273924342721 in words is "two hundred seventy-three billion, nine hundred twenty-four million, three hundred forty-two thousand, seven hundred twenty-one".