2112887963 has 2 divisors, whose sum is σ = 2112887964. Its totient is φ = 2112887962.

The previous prime is 2112887941. The next prime is 2112887971. The reversal of 2112887963 is 3697882112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112887963 - 2¹² = 2112883867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2112887263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056443981 + 1056443982.

It is an arithmetic number, because the mean of its divisors is an integer number (1056443982).

Almost surely, 2^2112887963 is an apocalyptic number.

2112887963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112887963 is an equidigital number, since it uses as much as digits as its factorization.

2112887963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 2112887963 is about 45966.1610644178. The cubic root of 2112887963 is about 1283.1935156309.

The spelling of 2112887963 in words is "two billion, one hundred twelve million, eight hundred eighty-seven thousand, nine hundred sixty-three".