275952344920321 has 4 divisors (see below), whose sum is σ = 283410516404692. Its totient is φ = 268494173435952.

The previous prime is 275952344920289. The next prime is 275952344920331. The reversal of 275952344920321 is 123029443259572.

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 143858698680321 + 132093646240000 = 11994111^2 + 11493200^2 .

It is a cyclic number.

It is not a de Polignac number, because 275952344920321 - 2⁵ = 275952344920289 is a prime.

It is a super-2 number, since 2×275952344920321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275952344920331) 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, 3729085742130 + ... + 3729085742203.

It is an arithmetic number, because the mean of its divisors is an integer number (70852629101173).

Almost surely, 2^{275952344920321} is an apocalyptic number.

It is an amenable number.

275952344920321 is a deficient number, since it is larger than the sum of its proper divisors (7458171484371).

275952344920321 is an equidigital number, since it uses as much as digits as its factorization.

275952344920321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458171484370.

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 275952344920321 in words is "two hundred seventy-five trillion, nine hundred fifty-two billion, three hundred forty-four million, nine hundred twenty thousand, three hundred twenty-one".