419249069 has 2 divisors, whose sum is σ = 419249070. Its totient is φ = 419249068.

The previous prime is 419249057. The next prime is 419249099. The reversal of 419249069 is 960942914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381733444 + 37515625 = 19538^2 + 6125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419249069 is a prime.

It is a super-2 number, since 2×419249069² = 351539563714733522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419249009) 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, 209624534 + 209624535.

It is an arithmetic number, because the mean of its divisors is an integer number (209624535).

Almost surely, 2^419249069 is an apocalyptic number.

It is an amenable number.

419249069 is a deficient number, since it is larger than the sum of its proper divisors (1).

419249069 is an equidigital number, since it uses as much as digits as its factorization.

419249069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 419249069 is about 20475.5724950488. The cubic root of 419249069 is about 748.4406529032.

The spelling of 419249069 in words is "four hundred nineteen million, two hundred forty-nine thousand, sixty-nine".