275493963 has 16 divisors (see below), whose sum is σ = 372096000. Its totient is φ = 181288800.

The previous prime is 275493949. The next prime is 275493973. The reversal of 275493963 is 369394572.

It is a happy number.

It is not a de Polignac number, because 275493963 - 2⁶ = 275493899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275493923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113638 + ... + 116036.

It is an arithmetic number, because the mean of its divisors is an integer number (23256000).

Almost surely, 2^275493963 is an apocalyptic number.

275493963 is a deficient number, since it is larger than the sum of its proper divisors (96602037).

275493963 is a wasteful number, since it uses less digits than its factorization.

275493963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882.

The product of its digits is 1224720, while the sum is 48.

The square root of 275493963 is about 16598.0108145524. The cubic root of 275493963 is about 650.6848505635.

The spelling of 275493963 in words is "two hundred seventy-five million, four hundred ninety-three thousand, nine hundred sixty-three".