419123281 has 2 divisors, whose sum is σ = 419123282. Its totient is φ = 419123280.

The previous prime is 419123267. The next prime is 419123291. The reversal of 419123281 is 182321914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387302400 + 31820881 = 19680^2 + 5641^2 .

It is a cyclic number.

It is not a de Polignac number, because 419123281 - 2¹³ = 419115089 is a prime.

It is a super-2 number, since 2×419123281² = 351328649352409922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (419123291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209561640 + 209561641.

It is an arithmetic number, because the mean of its divisors is an integer number (209561641).

Almost surely, 2^419123281 is an apocalyptic number.

It is an amenable number.

419123281 is a deficient number, since it is larger than the sum of its proper divisors (1).

419123281 is an equidigital number, since it uses as much as digits as its factorization.

419123281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 419123281 is about 20472.5006044694. The cubic root of 419123281 is about 748.3657934486.

It can be divided in two parts, 4191 and 23281, that added together give a palindrome (27472).

The spelling of 419123281 in words is "four hundred nineteen million, one hundred twenty-three thousand, two hundred eighty-one".