943450189 has 6 divisors (see below), whose sum is σ = 1037015630. Its totient is φ = 857681880.

The previous prime is 943450177. The next prime is 943450213. The reversal of 943450189 is 981054349.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 544848964 + 398601225 = 23342^2 + 19965^2 .

It is not a de Polignac number, because 943450189 - 2¹³ = 943441997 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943450489) 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, 3898434 + ... + 3898675.

Almost surely, 2^943450189 is an apocalyptic number.

It is an amenable number.

943450189 is a deficient number, since it is larger than the sum of its proper divisors (93565441).

943450189 is a wasteful number, since it uses less digits than its factorization.

943450189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7797131 (or 7797120 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 943450189 is about 30715.6342763746. The cubic root of 943450189 is about 980.7831408405.

The spelling of 943450189 in words is "nine hundred forty-three million, four hundred fifty thousand, one hundred eighty-nine".