419899481 has 2 divisors, whose sum is σ = 419899482. Its totient is φ = 419899480.

The previous prime is 419899471. The next prime is 419899499. The reversal of 419899481 is 184998914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269616400 + 150283081 = 16420^2 + 12259^2 .

It is a cyclic number.

It is not a de Polignac number, because 419899481 - 2¹⁴ = 419883097 is a prime.

It is a super-2 number, since 2×419899481² = 352631148288138722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (419899451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209949740 + 209949741.

It is an arithmetic number, because the mean of its divisors is an integer number (209949741).

Almost surely, 2^419899481 is an apocalyptic number.

It is an amenable number.

419899481 is a deficient number, since it is larger than the sum of its proper divisors (1).

419899481 is an equidigital number, since it uses as much as digits as its factorization.

419899481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 53.

The square root of 419899481 is about 20491.4489726813. The cubic root of 419899481 is about 748.8274899897.

The spelling of 419899481 in words is "four hundred nineteen million, eight hundred ninety-nine thousand, four hundred eighty-one".