353768489 has 2 divisors, whose sum is σ = 353768490. Its totient is φ = 353768488.

The previous prime is 353768461. The next prime is 353768491. The reversal of 353768489 is 984867353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342990400 + 10778089 = 18520^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 353768489 - 2¹² = 353764393 is a prime.

Together with 353768491, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 353768489.

It is not a weakly prime, because it can be changed into another prime (353768449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176884244 + 176884245.

It is an arithmetic number, because the mean of its divisors is an integer number (176884245).

Almost surely, 2^353768489 is an apocalyptic number.

It is an amenable number.

353768489 is a deficient number, since it is larger than the sum of its proper divisors (1).

353768489 is an equidigital number, since it uses as much as digits as its factorization.

353768489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The square root of 353768489 is about 18808.7343806009. The cubic root of 353768489 is about 707.2501510534.

The spelling of 353768489 in words is "three hundred fifty-three million, seven hundred sixty-eight thousand, four hundred eighty-nine".