2150181489 has 4 divisors (see below), whose sum is σ = 2866908656. Its totient is φ = 1433454324.

The previous prime is 2150181463. The next prime is 2150181499. The reversal of 2150181489 is 9841810512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2150181489 - 2⁵ = 2150181457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150181419) 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 3 ways as a sum of consecutive naturals, for example, 358363579 + ... + 358363584.

It is an arithmetic number, because the mean of its divisors is an integer number (716727164).

Almost surely, 2^2150181489 is an apocalyptic number.

It is an amenable number.

2150181489 is a deficient number, since it is larger than the sum of its proper divisors (716727167).

2150181489 is an equidigital number, since it uses as much as digits as its factorization.

2150181489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716727166.

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 2150181489 is about 46370.0494823976. The cubic root of 2150181489 is about 1290.6991961042.

The spelling of 2150181489 in words is "two billion, one hundred fifty million, one hundred eighty-one thousand, four hundred eighty-nine".