264814489 has 2 divisors, whose sum is σ = 264814490. Its totient is φ = 264814488.

The previous prime is 264814477. The next prime is 264814499. The reversal of 264814489 is 984418462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233845264 + 30969225 = 15292^2 + 5565^2 .

It is a cyclic number.

It is not a de Polignac number, because 264814489 - 2¹⁵ = 264781721 is a prime.

It is a super-2 number, since 2×264814489² = 140253427168662242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264814469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132407244 + 132407245.

It is an arithmetic number, because the mean of its divisors is an integer number (132407245).

Almost surely, 2^264814489 is an apocalyptic number.

It is an amenable number.

264814489 is a deficient number, since it is larger than the sum of its proper divisors (1).

264814489 is an equidigital number, since it uses as much as digits as its factorization.

264814489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 46.

The square root of 264814489 is about 16273.1216734835. The cubic root of 264814489 is about 642.1659112872.

The spelling of 264814489 in words is "two hundred sixty-four million, eight hundred fourteen thousand, four hundred eighty-nine".