264391763 has 2 divisors, whose sum is σ = 264391764. Its totient is φ = 264391762.

The previous prime is 264391759. The next prime is 264391793. The reversal of 264391763 is 367193462.

264391763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264391763 - 2² = 264391759 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 264391763.

It is not a weakly prime, because it can be changed into another prime (264391733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132195881 + 132195882.

It is an arithmetic number, because the mean of its divisors is an integer number (132195882).

Almost surely, 2^264391763 is an apocalyptic number.

264391763 is a deficient number, since it is larger than the sum of its proper divisors (1).

264391763 is an equidigital number, since it uses as much as digits as its factorization.

264391763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 264391763 is about 16260.1280130262. The cubic root of 264391763 is about 641.8240306985.

The spelling of 264391763 in words is "two hundred sixty-four million, three hundred ninety-one thousand, seven hundred sixty-three".