418769149 has 2 divisors, whose sum is σ = 418769150. Its totient is φ = 418769148.

The previous prime is 418769137. The next prime is 418769159. The reversal of 418769149 is 941967814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356643225 + 62125924 = 18885^2 + 7882^2 .

It is a cyclic number.

It is not a de Polignac number, because 418769149 - 2¹⁹ = 418244861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418769159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209384574 + 209384575.

It is an arithmetic number, because the mean of its divisors is an integer number (209384575).

Almost surely, 2^418769149 is an apocalyptic number.

It is an amenable number.

418769149 is a deficient number, since it is larger than the sum of its proper divisors (1).

418769149 is an equidigital number, since it uses as much as digits as its factorization.

418769149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 418769149 is about 20463.8498088703. The cubic root of 418769149 is about 748.1549605315.

The spelling of 418769149 in words is "four hundred eighteen million, seven hundred sixty-nine thousand, one hundred forty-nine".