999707963 has 2 divisors, whose sum is σ = 999707964. Its totient is φ = 999707962.

The previous prime is 999707959. The next prime is 999708011. The reversal of 999707963 is 369707999.

It is a weak prime.

It is an emirp because it is prime and its reverse (369707999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999707963 - 2² = 999707959 is a prime.

It is a super-2 number, since 2×999707963² = 1998832022571218738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (999707063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499853981 + 499853982.

It is an arithmetic number, because the mean of its divisors is an integer number (499853982).

Almost surely, 2^999707963 is an apocalyptic number.

999707963 is a deficient number, since it is larger than the sum of its proper divisors (1).

999707963 is an equidigital number, since it uses as much as digits as its factorization.

999707963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5786802, while the sum is 59.

The square root of 999707963 is about 31618.1587541084. The cubic root of 999707963 is about 999.9026448556.

The spelling of 999707963 in words is "nine hundred ninety-nine million, seven hundred seven thousand, nine hundred sixty-three".