1353242420443 has 2 divisors, whose sum is σ = 1353242420444. Its totient is φ = 1353242420442.

The previous prime is 1353242420399. The next prime is 1353242420459. The reversal of 1353242420443 is 3440242423531.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3440242423531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1353242420443 - 2³³ = 1344652485851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1353242420143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676621210221 + 676621210222.

It is an arithmetic number, because the mean of its divisors is an integer number (676621210222).

Almost surely, 2^{1353242420443} is an apocalyptic number.

1353242420443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353242420443 is an equidigital number, since it uses as much as digits as its factorization.

1353242420443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 1353242420443 its reverse (3440242423531), we get a palindrome (4793484843974).

The spelling of 1353242420443 in words is "one trillion, three hundred fifty-three billion, two hundred forty-two million, four hundred twenty thousand, four hundred forty-three".