2106858730 has 32 divisors (see below), whose sum is σ = 3900052800. Its totient is φ = 819130752.

The previous prime is 2106858727. The next prime is 2106858749. The reversal of 2106858730 is 378586012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32449 + ... + 72571.

It is an arithmetic number, because the mean of its divisors is an integer number (121876650).

Almost surely, 2^2106858730 is an apocalyptic number.

2106858730 is a deficient number, since it is larger than the sum of its proper divisors (1793194070).

2106858730 is a wasteful number, since it uses less digits than its factorization.

2106858730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40278.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2106858730 is about 45900.5308248173. The cubic root of 2106858730 is about 1281.9718002174.

The spelling of 2106858730 in words is "two billion, one hundred six million, eight hundred fifty-eight thousand, seven hundred thirty".