834637963 has 2 divisors, whose sum is σ = 834637964. Its totient is φ = 834637962.

The previous prime is 834637919. The next prime is 834638003. The reversal of 834637963 is 369736438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834637963 is a prime.

It is not a weakly prime, because it can be changed into another prime (834637663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417318981 + 417318982.

It is an arithmetic number, because the mean of its divisors is an integer number (417318982).

Almost surely, 2^834637963 is an apocalyptic number.

834637963 is a deficient number, since it is larger than the sum of its proper divisors (1).

834637963 is an equidigital number, since it uses as much as digits as its factorization.

834637963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 49.

The square root of 834637963 is about 28890.1014709191. The cubic root of 834637963 is about 941.5268542402.

The spelling of 834637963 in words is "eight hundred thirty-four million, six hundred thirty-seven thousand, nine hundred sixty-three".