3549428189 has 2 divisors, whose sum is σ = 3549428190. Its totient is φ = 3549428188.

The previous prime is 3549428159. The next prime is 3549428219. The reversal of 3549428189 is 9818249453.

It is a balanced prime because it is at equal distance from previous prime (3549428159) and next prime (3549428219).

It can be written as a sum of positive squares in only one way, i.e., 1797336025 + 1752092164 = 42395^2 + 41858^2 .

It is a cyclic number.

It is not a de Polignac number, because 3549428189 - 2²⁰ = 3548379613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3549428189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3549428159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774714094 + 1774714095.

It is an arithmetic number, because the mean of its divisors is an integer number (1774714095).

Almost surely, 2^3549428189 is an apocalyptic number.

It is an amenable number.

3549428189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549428189 is an equidigital number, since it uses as much as digits as its factorization.

3549428189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 53.

The square root of 3549428189 is about 59577.0777145036. The cubic root of 3549428189 is about 1525.4083921375.

The spelling of 3549428189 in words is "three billion, five hundred forty-nine million, four hundred twenty-eight thousand, one hundred eighty-nine".