2105036857 has 8 divisors (see below), whose sum is σ = 2624461632. Its totient is φ = 1640288400.

The previous prime is 2105036831. The next prime is 2105036863. The reversal of 2105036857 is 7586305012.

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

It is a cyclic number.

It is not a de Polignac number, because 2105036857 - 2¹⁵ = 2105004089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105036807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13668994 + ... + 13669147.

It is an arithmetic number, because the mean of its divisors is an integer number (328057704).

Almost surely, 2^2105036857 is an apocalyptic number.

It is an amenable number.

2105036857 is a deficient number, since it is larger than the sum of its proper divisors (519424775).

2105036857 is a wasteful number, since it uses less digits than its factorization.

2105036857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27338159.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2105036857 is about 45880.6806510104. The cubic root of 2105036857 is about 1281.6021719929.

The spelling of 2105036857 in words is "two billion, one hundred five million, thirty-six thousand, eight hundred fifty-seven".