2100000995 has 4 divisors (see below), whose sum is σ = 2520001200. Its totient is φ = 1680000792.

The previous prime is 2100000961. The next prime is 2100000997. The reversal of 2100000995 is 5990000012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100000995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100000997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210000095 + ... + 210000104.

It is an arithmetic number, because the mean of its divisors is an integer number (630000300).

Almost surely, 2^2100000995 is an apocalyptic number.

2100000995 is a deficient number, since it is larger than the sum of its proper divisors (420000205).

2100000995 is an equidigital number, since it uses as much as digits as its factorization.

2100000995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420000204.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 2100000995 is about 45825.7678058972. The cubic root of 2100000995 is about 1280.5793672377.

The spelling of 2100000995 in words is "two billion, one hundred million, nine hundred ninety-five", and thus it is an aban number.