1343320566450 has 96 divisors (see below), whose sum is σ = 3539609254080. Its totient is φ = 337146937600.

The previous prime is 1343320566449. The next prime is 1343320566451. The reversal of 1343320566450 is 546650233431.

It is an interprime number because it is at equal distance from previous prime (1343320566449) and next prime (1343320566451).

It is not an unprimeable number, because it can be changed into a prime (1343320566451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174456 + ... + 1648355.

It is an arithmetic number, because the mean of its divisors is an integer number (36870929730).

Almost surely, 2^{1343320566450} is an apocalyptic number.

1343320566450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343320566450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769804627040).

1343320566450 is an abundant number, since it is smaller than the sum of its proper divisors (2196288687630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343320566450 is a wasteful number, since it uses less digits than its factorization.

1343320566450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822877 (or 1822838 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 1343320566450 its reverse (546650233431), we get a palindrome (1889970799881).

The spelling of 1343320566450 in words is "one trillion, three hundred forty-three billion, three hundred twenty million, five hundred sixty-six thousand, four hundred fifty".