264373663 has 2 divisors, whose sum is σ = 264373664. Its totient is φ = 264373662.

The previous prime is 264373643. The next prime is 264373679. The reversal of 264373663 is 366373462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264373663 - 2¹⁷ = 264242591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264373643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132186831 + 132186832.

It is an arithmetic number, because the mean of its divisors is an integer number (132186832).

Almost surely, 2^264373663 is an apocalyptic number.

264373663 is a deficient number, since it is larger than the sum of its proper divisors (1).

264373663 is an equidigital number, since it uses as much as digits as its factorization.

264373663 is an odious number, because the sum of its binary digits is odd.

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

The square root of 264373663 is about 16259.5714273163. The cubic root of 264373663 is about 641.8093841504.

The spelling of 264373663 in words is "two hundred sixty-four million, three hundred seventy-three thousand, six hundred sixty-three".