163489349 has 2 divisors, whose sum is σ = 163489350. Its totient is φ = 163489348.

The previous prime is 163489321. The next prime is 163489363. The reversal of 163489349 is 943984361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163456225 + 33124 = 12785^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 163489349 - 2²⁴ = 146712133 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (163489369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81744674 + 81744675.

It is an arithmetic number, because the mean of its divisors is an integer number (81744675).

Almost surely, 2^163489349 is an apocalyptic number.

It is an amenable number.

163489349 is a deficient number, since it is larger than the sum of its proper divisors (1).

163489349 is an equidigital number, since it uses as much as digits as its factorization.

163489349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 163489349 is about 12786.2953587034. The cubic root of 163489349 is about 546.8016564236.

The spelling of 163489349 in words is "one hundred sixty-three million, four hundred eighty-nine thousand, three hundred forty-nine".