2150863091 has 4 divisors (see below), whose sum is σ = 2316314112. Its totient is φ = 1985412072.

The previous prime is 2150863081. The next prime is 2150863123. The reversal of 2150863091 is 1903680512.

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

It is a cyclic number.

It is not a de Polignac number, because 2150863091 - 2¹⁰ = 2150862067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150863031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82725491 + ... + 82725516.

It is an arithmetic number, because the mean of its divisors is an integer number (579078528).

Almost surely, 2^2150863091 is an apocalyptic number.

2150863091 is a deficient number, since it is larger than the sum of its proper divisors (165451021).

2150863091 is a wasteful number, since it uses less digits than its factorization.

2150863091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165451020.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2150863091 is about 46377.3984932316. The cubic root of 2150863091 is about 1290.8355644706.

The spelling of 2150863091 in words is "two billion, one hundred fifty million, eight hundred sixty-three thousand, ninety-one".