2150450189 has 2 divisors, whose sum is σ = 2150450190. Its totient is φ = 2150450188.

The previous prime is 2150450131. The next prime is 2150450213. The reversal of 2150450189 is 9810540512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1285796164 + 864654025 = 35858^2 + 29405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150450189 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 (2150450119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075225094 + 1075225095.

It is an arithmetic number, because the mean of its divisors is an integer number (1075225095).

Almost surely, 2^2150450189 is an apocalyptic number.

It is an amenable number.

2150450189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150450189 is an equidigital number, since it uses as much as digits as its factorization.

2150450189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 2150450189 is about 46372.9467362168. The cubic root of 2150450189 is about 1290.7529584541.

The spelling of 2150450189 in words is "two billion, one hundred fifty million, four hundred fifty thousand, one hundred eighty-nine".