2108652655 has 4 divisors (see below), whose sum is σ = 2530383192. Its totient is φ = 1686922120.

The previous prime is 2108652653. The next prime is 2108652671. The reversal of 2108652655 is 5562568012.

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

It is not a de Polignac number, because 2108652655 - 2¹ = 2108652653 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 (2108652653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210865261 + ... + 210865270.

It is an arithmetic number, because the mean of its divisors is an integer number (632595798).

Almost surely, 2^2108652655 is an apocalyptic number.

2108652655 is a deficient number, since it is larger than the sum of its proper divisors (421730537).

2108652655 is an equidigital number, since it uses as much as digits as its factorization.

2108652655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421730536.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 2108652655 is about 45920.0681075279. The cubic root of 2108652655 is about 1282.3355500997.

The spelling of 2108652655 in words is "two billion, one hundred eight million, six hundred fifty-two thousand, six hundred fifty-five".