16214549189 has 2 divisors, whose sum is σ = 16214549190. Its totient is φ = 16214549188.

The previous prime is 16214549179. The next prime is 16214549207. The reversal of 16214549189 is 98194541261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15291300964 + 923248225 = 123658^2 + 30385^2 .

It is a cyclic number.

It is not a de Polignac number, because 16214549189 - 2¹² = 16214545093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16214549149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8107274594 + 8107274595.

It is an arithmetic number, because the mean of its divisors is an integer number (8107274595).

Almost surely, 2^16214549189 is an apocalyptic number.

It is an amenable number.

16214549189 is a deficient number, since it is larger than the sum of its proper divisors (1).

16214549189 is an equidigital number, since it uses as much as digits as its factorization.

16214549189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The spelling of 16214549189 in words is "sixteen billion, two hundred fourteen million, five hundred forty-nine thousand, one hundred eighty-nine".