264761963 has 2 divisors, whose sum is σ = 264761964. Its totient is φ = 264761962.

The previous prime is 264761923. The next prime is 264761971. The reversal of 264761963 is 369167462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264761963 - 2¹⁰ = 264760939 is a prime.

It is a super-2 number, since 2×264761963² = 140197794103226738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264761923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132380981 + 132380982.

It is an arithmetic number, because the mean of its divisors is an integer number (132380982).

Almost surely, 2^264761963 is an apocalyptic number.

264761963 is a deficient number, since it is larger than the sum of its proper divisors (1).

264761963 is an equidigital number, since it uses as much as digits as its factorization.

264761963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 264761963 is about 16271.5077051882. The cubic root of 264761963 is about 642.1234505729.

The spelling of 264761963 in words is "two hundred sixty-four million, seven hundred sixty-one thousand, nine hundred sixty-three".