2102150818 has 8 divisors (see below), whose sum is σ = 3197638080. Its totient is φ = 1036271460.

The previous prime is 2102150807. The next prime is 2102150821. The reversal of 2102150818 is 8180512012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7401798 + ... + 7402081.

It is an arithmetic number, because the mean of its divisors is an integer number (399704760).

Almost surely, 2^2102150818 is an apocalyptic number.

2102150818 is a deficient number, since it is larger than the sum of its proper divisors (1095487262).

2102150818 is a wasteful number, since it uses less digits than its factorization.

2102150818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14803952.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 2102150818 is about 45849.2182921367. The cubic root of 2102150818 is about 1281.0162051365.

The spelling of 2102150818 in words is "two billion, one hundred two million, one hundred fifty thousand, eight hundred eighteen".