419340749 has 2 divisors, whose sum is σ = 419340750. Its totient is φ = 419340748.

The previous prime is 419340737. The next prime is 419340763. The reversal of 419340749 is 947043914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349951849 + 69388900 = 18707^2 + 8330^2 .

It is a cyclic number.

It is not a de Polignac number, because 419340749 - 2¹² = 419336653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419340799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209670374 + 209670375.

It is an arithmetic number, because the mean of its divisors is an integer number (209670375).

Almost surely, 2^419340749 is an apocalyptic number.

It is an amenable number.

419340749 is a deficient number, since it is larger than the sum of its proper divisors (1).

419340749 is an equidigital number, since it uses as much as digits as its factorization.

419340749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 419340749 is about 20477.8111379122. The cubic root of 419340749 is about 748.4952044360.

The spelling of 419340749 in words is "four hundred nineteen million, three hundred forty thousand, seven hundred forty-nine".