2106633703 has 4 divisors (see below), whose sum is σ = 2107008288. Its totient is φ = 2106259120.

The previous prime is 2106633673. The next prime is 2106633743. The reversal of 2106633703 is 3073366012.

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

It is a cyclic number.

It is not a de Polignac number, because 2106633703 - 2¹⁷ = 2106502631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106633743) 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, 178726 + ... + 190147.

It is an arithmetic number, because the mean of its divisors is an integer number (526752072).

Almost surely, 2^2106633703 is an apocalyptic number.

2106633703 is a deficient number, since it is larger than the sum of its proper divisors (374585).

2106633703 is an equidigital number, since it uses as much as digits as its factorization.

2106633703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374584.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 2106633703 is about 45898.0795131997. The cubic root of 2106633703 is about 1281.9261574578.

Adding to 2106633703 its reverse (3073366012), we get a palindrome (5179999715).

The spelling of 2106633703 in words is "two billion, one hundred six million, six hundred thirty-three thousand, seven hundred three".