266952449 has 4 divisors (see below), whose sum is σ = 267031380. Its totient is φ = 266873520.

The previous prime is 266952401. The next prime is 266952461. The reversal of 266952449 is 944259662.

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 83539600 + 183412849 = 9140^2 + 13543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266952449 is a prime.

It is a super-2 number, since 2×266952449² = 142527220054195202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266955449) 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, 34154 + ... + 41235.

It is an arithmetic number, because the mean of its divisors is an integer number (66757845).

Almost surely, 2^266952449 is an apocalyptic number.

It is an amenable number.

266952449 is a deficient number, since it is larger than the sum of its proper divisors (78931).

266952449 is an equidigital number, since it uses as much as digits as its factorization.

266952449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78930.

The product of its digits is 933120, while the sum is 47.

The square root of 266952449 is about 16338.6795366088. The cubic root of 266952449 is about 643.8894408217.

The spelling of 266952449 in words is "two hundred sixty-six million, nine hundred fifty-two thousand, four hundred forty-nine".