264368947 has 2 divisors, whose sum is σ = 264368948. Its totient is φ = 264368946.

The previous prime is 264368939. The next prime is 264368957. The reversal of 264368947 is 749863462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264368947 - 2³ = 264368939 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 264368947.

It is not a weakly prime, because it can be changed into another prime (264368917) 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, 132184473 + 132184474.

It is an arithmetic number, because the mean of its divisors is an integer number (132184474).

Almost surely, 2^264368947 is an apocalyptic number.

264368947 is a deficient number, since it is larger than the sum of its proper divisors (1).

264368947 is an equidigital number, since it uses as much as digits as its factorization.

264368947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The square root of 264368947 is about 16259.4264043969. The cubic root of 264368947 is about 641.8055678461.

The spelling of 264368947 in words is "two hundred sixty-four million, three hundred sixty-eight thousand, nine hundred forty-seven".