2041505091 has 6 divisors (see below), whose sum is σ = 2948840700. Its totient is φ = 1361003388.

The previous prime is 2041505077. The next prime is 2041505099. The reversal of 2041505091 is 1905051402.

2041505091 is a `hidden beast` number, since 2 + 0 + 4 + 150 + 509 + 1 = 666.

It is not a de Polignac number, because 2041505091 - 2²¹ = 2039407939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2041505099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113416941 + ... + 113416958.

It is an arithmetic number, because the mean of its divisors is an integer number (491473450).

Almost surely, 2^2041505091 is an apocalyptic number.

2041505091 is a deficient number, since it is larger than the sum of its proper divisors (907335609).

2041505091 is a wasteful number, since it uses less digits than its factorization.

2041505091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226833905 (or 226833902 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2041505091 is about 45183.0177279030. The cubic root of 2041505091 is about 1268.5769687236.

Adding to 2041505091 its reverse (1905051402), we get a palindrome (3946556493).

The spelling of 2041505091 in words is "two billion, forty-one million, five hundred five thousand, ninety-one".