275300494561 has 4 divisors (see below), whose sum is σ = 276273288112. Its totient is φ = 274327701012.

The previous prime is 275300494549. The next prime is 275300494589. The reversal of 275300494561 is 165494003572.

It is a happy number.

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 275300494561 - 2²³ = 275292105953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275300494531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486396351 + ... + 486396916.

It is an arithmetic number, because the mean of its divisors is an integer number (69068322028).

Almost surely, 2^275300494561 is an apocalyptic number.

It is an amenable number.

275300494561 is a deficient number, since it is larger than the sum of its proper divisors (972793551).

275300494561 is an equidigital number, since it uses as much as digits as its factorization.

275300494561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972793550.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 275300494561 in words is "two hundred seventy-five billion, three hundred million, four hundred ninety-four thousand, five hundred sixty-one".