1341350352421 has 2 divisors, whose sum is σ = 1341350352422. Its totient is φ = 1341350352420.

The previous prime is 1341350352403. The next prime is 1341350352457. The reversal of 1341350352421 is 1242530531431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078453172196 + 262897180225 = 1038486^2 + 512735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1341350352421 is a prime.

It is a super-2 number, since 2×1341350352421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341350352401) 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 as a sum of consecutive naturals, namely, 670675176210 + 670675176211.

It is an arithmetic number, because the mean of its divisors is an integer number (670675176211).

Almost surely, 2^{1341350352421} is an apocalyptic number.

It is an amenable number.

1341350352421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341350352421 is an equidigital number, since it uses as much as digits as its factorization.

1341350352421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 1341350352421 its reverse (1242530531431), we get a palindrome (2583880883852).

The spelling of 1341350352421 in words is "one trillion, three hundred forty-one billion, three hundred fifty million, three hundred fifty-two thousand, four hundred twenty-one".