275343894073 has 4 divisors (see below), whose sum is σ = 284838511140. Its totient is φ = 265849277008.

The previous prime is 275343894041. The next prime is 275343894107. The reversal of 275343894073 is 370498343572.

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 74830696704 + 200513197369 = 273552^2 + 447787^2 .

It is a cyclic number.

It is not a de Polignac number, because 275343894073 - 2⁵ = 275343894041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275343891073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747308490 + ... + 4747308547.

It is an arithmetic number, because the mean of its divisors is an integer number (71209627785).

Almost surely, 2^275343894073 is an apocalyptic number.

It is an amenable number.

275343894073 is a deficient number, since it is larger than the sum of its proper divisors (9494617067).

275343894073 is an equidigital number, since it uses as much as digits as its factorization.

275343894073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494617066.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 275343894073 in words is "two hundred seventy-five billion, three hundred forty-three million, eight hundred ninety-four thousand, seventy-three".