2150915091 has 8 divisors (see below), whose sum is σ = 3088493520. Its totient is φ = 1323640032.

The previous prime is 2150915071. The next prime is 2150915101. The reversal of 2150915091 is 1905190512.

It is a happy number.

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

It is not a de Polignac number, because 2150915091 - 2⁶ = 2150915027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2150915071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27575796 + ... + 27575873.

It is an arithmetic number, because the mean of its divisors is an integer number (386061690).

Almost surely, 2^2150915091 is an apocalyptic number.

2150915091 is a deficient number, since it is larger than the sum of its proper divisors (937578429).

2150915091 is a wasteful number, since it uses less digits than its factorization.

2150915091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55151685.

The product of its (nonzero) digits is 4050, while the sum is 33.

The square root of 2150915091 is about 46377.9591077486. The cubic root of 2150915091 is about 1290.8459669471.

The spelling of 2150915091 in words is "two billion, one hundred fifty million, nine hundred fifteen thousand, ninety-one".