350189089 has 2 divisors, whose sum is σ = 350189090. Its totient is φ = 350189088.

The previous prime is 350189087. The next prime is 350189093. The reversal of 350189089 is 980981053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325189089 + 25000000 = 18033^2 + 5000^2 .

It is a cyclic number.

It is not a de Polignac number, because 350189089 - 2¹ = 350189087 is a prime.

Together with 350189087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (350189087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175094544 + 175094545.

It is an arithmetic number, because the mean of its divisors is an integer number (175094545).

Almost surely, 2^350189089 is an apocalyptic number.

It is an amenable number.

350189089 is a deficient number, since it is larger than the sum of its proper divisors (1).

350189089 is an equidigital number, since it uses as much as digits as its factorization.

350189089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 350189089 is about 18713.3398675918. The cubic root of 350189089 is about 704.8567614700.

The spelling of 350189089 in words is "three hundred fifty million, one hundred eighty-nine thousand, eighty-nine".