2108566285 has 48 divisors (see below), whose sum is σ = 3082530816. Its totient is φ = 1377987072.

The previous prime is 2108566283. The next prime is 2108566333. The reversal of 2108566285 is 5826658012.

It is not a de Polignac number, because 2108566285 - 2¹ = 2108566283 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 (2108566283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2157717 + ... + 2158693.

It is an arithmetic number, because the mean of its divisors is an integer number (64219392).

Almost surely, 2^2108566285 is an apocalyptic number.

It is an amenable number.

2108566285 is a deficient number, since it is larger than the sum of its proper divisors (973964531).

2108566285 is a wasteful number, since it uses less digits than its factorization.

2108566285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 2108566285 is about 45919.1276593970. The cubic root of 2108566285 is about 1282.3180417896.

The spelling of 2108566285 in words is "two billion, one hundred eight million, five hundred sixty-six thousand, two hundred eighty-five".