864214963 has 2 divisors, whose sum is σ = 864214964. Its totient is φ = 864214962.

The previous prime is 864214913. The next prime is 864214969. The reversal of 864214963 is 369412468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 864214963 - 2²⁹ = 327344051 is a prime.

It is not a weakly prime, because it can be changed into another prime (864214969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432107481 + 432107482.

It is an arithmetic number, because the mean of its divisors is an integer number (432107482).

Almost surely, 2^864214963 is an apocalyptic number.

864214963 is a deficient number, since it is larger than the sum of its proper divisors (1).

864214963 is an equidigital number, since it uses as much as digits as its factorization.

864214963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 864214963 is about 29397.5332808724. The cubic root of 864214963 is about 952.5196136339.

The spelling of 864214963 in words is "eight hundred sixty-four million, two hundred fourteen thousand, nine hundred sixty-three".