2105372870 has 8 divisors (see below), whose sum is σ = 3789671184. Its totient is φ = 842149144.

The previous prime is 2105372809. The next prime is 2105372887. The reversal of 2105372870 is 782735012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2105372870.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105268634 + ... + 105268653.

It is an arithmetic number, because the mean of its divisors is an integer number (473708898).

Almost surely, 2^2105372870 is an apocalyptic number.

2105372870 is a deficient number, since it is larger than the sum of its proper divisors (1684298314).

2105372870 is a wasteful number, since it uses less digits than its factorization.

2105372870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210537294.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2105372870 is about 45884.3423184859. The cubic root of 2105372870 is about 1281.6703595686.

The spelling of 2105372870 in words is "two billion, one hundred five million, three hundred seventy-two thousand, eight hundred seventy".