1343240421441 has 4 divisors (see below), whose sum is σ = 1790987228592. Its totient is φ = 895493614292.

The previous prime is 1343240421427. The next prime is 1343240421449. The reversal of 1343240421441 is 1441240423431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343240421441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343240421449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223873403571 + ... + 223873403576.

It is an arithmetic number, because the mean of its divisors is an integer number (447746807148).

Almost surely, 2^{1343240421441} is an apocalyptic number.

It is an amenable number.

1343240421441 is a deficient number, since it is larger than the sum of its proper divisors (447746807151).

1343240421441 is an equidigital number, since it uses as much as digits as its factorization.

1343240421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447746807150.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1343240421441 its reverse (1441240423431), we get a palindrome (2784480844872).

The spelling of 1343240421441 in words is "one trillion, three hundred forty-three billion, two hundred forty million, four hundred twenty-one thousand, four hundred forty-one".