264336673 has 2 divisors, whose sum is σ = 264336674. Its totient is φ = 264336672.

The previous prime is 264336643. The next prime is 264336679. The reversal of 264336673 is 376633462.

264336673 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., 255264529 + 9072144 = 15977^2 + 3012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264336673 is a prime.

It is not a weakly prime, because it can be changed into another prime (264336679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132168336 + 132168337.

It is an arithmetic number, because the mean of its divisors is an integer number (132168337).

Almost surely, 2^264336673 is an apocalyptic number.

It is an amenable number.

264336673 is a deficient number, since it is larger than the sum of its proper divisors (1).

264336673 is an equidigital number, since it uses as much as digits as its factorization.

264336673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 40.

The square root of 264336673 is about 16258.4339036698. The cubic root of 264336673 is about 641.7794497056.

The spelling of 264336673 in words is "two hundred sixty-four million, three hundred thirty-six thousand, six hundred seventy-three".