2105949174 has 32 divisors (see below), whose sum is σ = 4931006976. Its totient is φ = 587023680.

The previous prime is 2105949149. The next prime is 2105949193. The reversal of 2105949174 is 4719495012.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609762 + ... + 613205.

It is an arithmetic number, because the mean of its divisors is an integer number (154093968).

Almost surely, 2^2105949174 is an apocalyptic number.

2105949174 is an abundant number, since it is smaller than the sum of its proper divisors (2825057802).

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

2105949174 is a wasteful number, since it uses less digits than its factorization.

2105949174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223020.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 2105949174 is about 45890.6218524003. The cubic root of 2105949174 is about 1281.7872928333.

The spelling of 2105949174 in words is "two billion, one hundred five million, nine hundred forty-nine thousand, one hundred seventy-four".