275445479241 has 9 divisors (see below), whose sum is σ = 397867966509. Its totient is φ = 183629269836.

The previous prime is 275445479227. The next prime is 275445479249. The reversal of 275445479241 is 142974544572.

It is a happy number.

The square root of 275445479241 is 524829.

It is a perfect power (a square), and thus also a powerful number.

275445479241 is a `hidden beast` number, since 2 + 7 + 5 + 4 + 4 + 547 + 92 + 4 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 275445479241 - 2⁹ = 275445478729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275445479249) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1487016 + ... + 1661958.

Almost surely, 2^275445479241 is an apocalyptic number.

275445479241 is the 524829-th square number.

275445479241 is the 262415-th centered octagonal number.

It is an amenable number.

275445479241 is a deficient number, since it is larger than the sum of its proper divisors (122422487268).

275445479241 is an frugal number, since it uses more digits than its factorization.

275445479241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349892 (or 174946 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 275445479241 in words is "two hundred seventy-five billion, four hundred forty-five million, four hundred seventy-nine thousand, two hundred forty-one".