2150735878 has 4 divisors (see below), whose sum is σ = 3226103820. Its totient is φ = 1075367938.

The previous prime is 2150735869. The next prime is 2150735891. The reversal of 2150735878 is 8785370512.

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, 537683968 + ... + 537683971.

It is an arithmetic number, because the mean of its divisors is an integer number (806525955).

Almost surely, 2^2150735878 is an apocalyptic number.

2150735878 is a deficient number, since it is larger than the sum of its proper divisors (1075367942).

2150735878 is a wasteful number, since it uses less digits than its factorization.

2150735878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075367941.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 2150735878 is about 46376.0269751517. The cubic root of 2150735878 is about 1290.8101151052.

The spelling of 2150735878 in words is "two billion, one hundred fifty million, seven hundred thirty-five thousand, eight hundred seventy-eight".