2102953689 has 12 divisors (see below), whose sum is σ = 3037999536. Its totient is φ = 1401784632.

The previous prime is 2102953681. The next prime is 2102953729. The reversal of 2102953689 is 9863592012.

2102953689 is a `hidden beast` number, since 2 + 10 + 29 + 536 + 89 = 666.

It is not a de Polignac number, because 2102953689 - 2³ = 2102953681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102953681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114994 + ... + 132020.

It is an arithmetic number, because the mean of its divisors is an integer number (253166628).

Almost surely, 2^2102953689 is an apocalyptic number.

It is an amenable number.

2102953689 is a deficient number, since it is larger than the sum of its proper divisors (935045847).

2102953689 is a wasteful number, since it uses less digits than its factorization.

2102953689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30756 (or 30753 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2102953689 is about 45857.9730145152. The cubic root of 2102953689 is about 1281.1792698484.

The spelling of 2102953689 in words is "two billion, one hundred two million, nine hundred fifty-three thousand, six hundred eighty-nine".