1346334521573 has 2 divisors, whose sum is σ = 1346334521574. Its totient is φ = 1346334521572.

The previous prime is 1346334521569. The next prime is 1346334521603. The reversal of 1346334521573 is 3751254336431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835163860129 + 511170661444 = 913873^2 + 714962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346334521573 - 2² = 1346334521569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346334521563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673167260786 + 673167260787.

It is an arithmetic number, because the mean of its divisors is an integer number (673167260787).

Almost surely, 2^{1346334521573} is an apocalyptic number.

It is an amenable number.

1346334521573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346334521573 is an equidigital number, since it uses as much as digits as its factorization.

1346334521573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 47.

The spelling of 1346334521573 in words is "one trillion, three hundred forty-six billion, three hundred thirty-four million, five hundred twenty-one thousand, five hundred seventy-three".