1426843441 has 2 divisors, whose sum is σ = 1426843442. Its totient is φ = 1426843440.

The previous prime is 1426843427. The next prime is 1426843459. The reversal of 1426843441 is 1443486241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187491600 + 239351841 = 34460^2 + 15471^2 .

It is an emirp because it is prime and its reverse (1443486241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1426843441 - 2²¹ = 1424746289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426843441.

It is not a weakly prime, because it can be changed into another prime (1426843421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713421720 + 713421721.

It is an arithmetic number, because the mean of its divisors is an integer number (713421721).

Almost surely, 2^1426843441 is an apocalyptic number.

It is an amenable number.

1426843441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426843441 is an equidigital number, since it uses as much as digits as its factorization.

1426843441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 37.

The square root of 1426843441 is about 37773.5812572756. The cubic root of 1426843441 is about 1125.7935973494.

The spelling of 1426843441 in words is "one billion, four hundred twenty-six million, eight hundred forty-three thousand, four hundred forty-one".