2150441549 has 2 divisors, whose sum is σ = 2150441550. Its totient is φ = 2150441548.

The previous prime is 2150441507. The next prime is 2150441609. The reversal of 2150441549 is 9451440512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1807525225 + 342916324 = 42515^2 + 18518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150441549 - 2²⁴ = 2133664333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150441749) 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 as a sum of consecutive naturals, namely, 1075220774 + 1075220775.

It is an arithmetic number, because the mean of its divisors is an integer number (1075220775).

Almost surely, 2^2150441549 is an apocalyptic number.

It is an amenable number.

2150441549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150441549 is an equidigital number, since it uses as much as digits as its factorization.

2150441549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2150441549 is about 46372.8535783598. The cubic root of 2150441549 is about 1290.7512298051.

The spelling of 2150441549 in words is "two billion, one hundred fifty million, four hundred forty-one thousand, five hundred forty-nine".