2108965535 has 4 divisors (see below), whose sum is σ = 2530758648. Its totient is φ = 1687172424.

The previous prime is 2108965511. The next prime is 2108965543. The reversal of 2108965535 is 5355698012.

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 2108965535 - 2⁶ = 2108965471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210896549 + ... + 210896558.

It is an arithmetic number, because the mean of its divisors is an integer number (632689662).

Almost surely, 2^2108965535 is an apocalyptic number.

2108965535 is a deficient number, since it is larger than the sum of its proper divisors (421793113).

2108965535 is an equidigital number, since it uses as much as digits as its factorization.

2108965535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421793112.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 2108965535 is about 45923.4747705354. The cubic root of 2108965535 is about 1282.3989708981.

The spelling of 2108965535 in words is "two billion, one hundred eight million, nine hundred sixty-five thousand, five hundred thirty-five".