2106634605 has 32 divisors (see below), whose sum is σ = 3490111488. Its totient is φ = 1083931200.

The previous prime is 2106634601. The next prime is 2106634609. The reversal of 2106634605 is 5064366012.

It is an interprime number because it is at equal distance from previous prime (2106634601) and next prime (2106634609).

It is not a de Polignac number, because 2106634605 - 2² = 2106634601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106634601) 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 31 ways as a sum of consecutive naturals, for example, 147072 + ... + 160758.

It is an arithmetic number, because the mean of its divisors is an integer number (109065984).

Almost surely, 2^2106634605 is an apocalyptic number.

It is an amenable number.

2106634605 is a deficient number, since it is larger than the sum of its proper divisors (1383476883).

2106634605 is a wasteful number, since it uses less digits than its factorization.

2106634605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14057.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2106634605 is about 45898.0893393178. The cubic root of 2106634605 is about 1281.9263404191.

The spelling of 2106634605 in words is "two billion, one hundred six million, six hundred thirty-four thousand, six hundred five".