814973963 has 2 divisors, whose sum is σ = 814973964. Its totient is φ = 814973962.

The previous prime is 814973941. The next prime is 814973977. The reversal of 814973963 is 369379418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814973963 - 2⁶ = 814973899 is a prime.

It is not a weakly prime, because it can be changed into another prime (814973983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407486981 + 407486982.

It is an arithmetic number, because the mean of its divisors is an integer number (407486982).

Almost surely, 2^814973963 is an apocalyptic number.

814973963 is a deficient number, since it is larger than the sum of its proper divisors (1).

814973963 is an equidigital number, since it uses as much as digits as its factorization.

814973963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 814973963 is about 28547.7488254328. The cubic root of 814973963 is about 934.0739161881.

The spelling of 814973963 in words is "eight hundred fourteen million, nine hundred seventy-three thousand, nine hundred sixty-three".