264385463 has 2 divisors, whose sum is σ = 264385464. Its totient is φ = 264385462.

The previous prime is 264385421. The next prime is 264385493. The reversal of 264385463 is 364583462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264385463 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264385463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264385493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132192731 + 132192732.

It is an arithmetic number, because the mean of its divisors is an integer number (132192732).

Almost surely, 2^264385463 is an apocalyptic number.

264385463 is a deficient number, since it is larger than the sum of its proper divisors (1).

264385463 is an equidigital number, since it uses as much as digits as its factorization.

264385463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The square root of 264385463 is about 16259.9342864601. The cubic root of 264385463 is about 641.8189328046.

The spelling of 264385463 in words is "two hundred sixty-four million, three hundred eighty-five thousand, four hundred sixty-three".