2105486538 has 8 divisors (see below), whose sum is σ = 4210973088. Its totient is φ = 701828844.

The previous prime is 2105486531. The next prime is 2105486543. The reversal of 2105486538 is 8356845012.

It is a sphenic number, since it is the product of 3 distinct primes.

2105486538 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105486538.

It is not an unprimeable number, because it can be changed into a prime (2105486531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175457206 + ... + 175457217.

It is an arithmetic number, because the mean of its divisors is an integer number (526371636).

Almost surely, 2^2105486538 is an apocalyptic number.

2105486538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105486538 is a wasteful number, since it uses less digits than its factorization.

2105486538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350914428.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2105486538 is about 45885.5809378066. The cubic root of 2105486538 is about 1281.6934247283.

The spelling of 2105486538 in words is "two billion, one hundred five million, four hundred eighty-six thousand, five hundred thirty-eight".