2150930878 has 4 divisors (see below), whose sum is σ = 3226396320. Its totient is φ = 1075465438.

The previous prime is 2150930869. The next prime is 2150930941. The reversal of 2150930878 is 8780390512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537732718 + ... + 537732721.

It is an arithmetic number, because the mean of its divisors is an integer number (806599080).

Almost surely, 2^2150930878 is an apocalyptic number.

2150930878 is a deficient number, since it is larger than the sum of its proper divisors (1075465442).

2150930878 is a wasteful number, since it uses less digits than its factorization.

2150930878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075465441.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2150930878 is about 46378.1293068187. The cubic root of 2150930878 is about 1290.8491250658.

The spelling of 2150930878 in words is "two billion, one hundred fifty million, nine hundred thirty thousand, eight hundred seventy-eight".