419492389 has 2 divisors, whose sum is σ = 419492390. Its totient is φ = 419492388.

The previous prime is 419492329. The next prime is 419492429. The reversal of 419492389 is 983294914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238455364 + 181037025 = 15442^2 + 13455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419492389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419492329) 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, 209746194 + 209746195.

It is an arithmetic number, because the mean of its divisors is an integer number (209746195).

Almost surely, 2^419492389 is an apocalyptic number.

It is an amenable number.

419492389 is a deficient number, since it is larger than the sum of its proper divisors (1).

419492389 is an equidigital number, since it uses as much as digits as its factorization.

419492389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 49.

The square root of 419492389 is about 20481.5133474067. The cubic root of 419492389 is about 748.5854159839.

The spelling of 419492389 in words is "four hundred nineteen million, four hundred ninety-two thousand, three hundred eighty-nine".