264672449 has 2 divisors, whose sum is σ = 264672450. Its totient is φ = 264672448.

The previous prime is 264672409. The next prime is 264672469. The reversal of 264672449 is 944276462.

264672449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260241424 + 4431025 = 16132^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 264672449 - 2²⁰ = 263623873 is a prime.

It is not a weakly prime, because it can be changed into another prime (264672409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132336224 + 132336225.

It is an arithmetic number, because the mean of its divisors is an integer number (132336225).

Almost surely, 2^264672449 is an apocalyptic number.

It is an amenable number.

264672449 is a deficient number, since it is larger than the sum of its proper divisors (1).

264672449 is an equidigital number, since it uses as much as digits as its factorization.

264672449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 44.

The square root of 264672449 is about 16268.7568363412. The cubic root of 264672449 is about 642.0510767358.

The spelling of 264672449 in words is "two hundred sixty-four million, six hundred seventy-two thousand, four hundred forty-nine".