2105039672 has 32 divisors (see below), whose sum is σ = 4144845600. Its totient is φ = 1000331904.

The previous prime is 2105039663. The next prime is 2105039683. The reversal of 2105039672 is 2769305012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7547 + ... + 65322.

It is an arithmetic number, because the mean of its divisors is an integer number (129526425).

Almost surely, 2^2105039672 is an apocalyptic number.

It is an amenable number.

2105039672 is a deficient number, since it is larger than the sum of its proper divisors (2039805928).

2105039672 is a wasteful number, since it uses less digits than its factorization.

2105039672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73055 (or 73051 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2105039672 is about 45880.7113284003. The cubic root of 2105039672 is about 1281.6027432749.

The spelling of 2105039672 in words is "two billion, one hundred five million, thirty-nine thousand, six hundred seventy-two".