2099963 has 2 divisors, whose sum is σ = 2099964. Its totient is φ = 2099962.

The previous prime is 2099941. The next prime is 2100001. The reversal of 2099963 is 3699902.

It is an a-pointer prime, because the next prime (2100001) can be obtained adding 2099963 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2099963 - 2⁸ = 2099707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2099263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049981 + 1049982.

It is an arithmetic number, because the mean of its divisors is an integer number (1049982).

2^2099963 is an apocalyptic number.

2099963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099963 is an equidigital number, since it uses as much as digits as its factorization.

2099963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2099963 is about 1449.1249083499. The cubic root of 2099963 is about 128.0571644082.

The spelling of 2099963 in words is "two million, ninety-nine thousand, nine hundred sixty-three".