1421342332117 has 2 divisors, whose sum is σ = 1421342332118. Its totient is φ = 1421342332116.

The previous prime is 1421342332093. The next prime is 1421342332147. The reversal of 1421342332117 is 7112332431241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1182016886436 + 239325445681 = 1087206^2 + 489209^2 .

It is an emirp because it is prime and its reverse (7112332431241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421342332117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421342332147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710671166058 + 710671166059.

It is an arithmetic number, because the mean of its divisors is an integer number (710671166059).

Almost surely, 2^{1421342332117} is an apocalyptic number.

It is an amenable number.

1421342332117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421342332117 is an equidigital number, since it uses as much as digits as its factorization.

1421342332117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

Adding to 1421342332117 its reverse (7112332431241), we get a palindrome (8533674763358).

The spelling of 1421342332117 in words is "one trillion, four hundred twenty-one billion, three hundred forty-two million, three hundred thirty-two thousand, one hundred seventeen".