1345438317583 has 2 divisors, whose sum is σ = 1345438317584. Its totient is φ = 1345438317582.

The previous prime is 1345438317577. The next prime is 1345438317647. The reversal of 1345438317583 is 3857138345431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345438317583 - 2⁹ = 1345438317071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345438311583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672719158791 + 672719158792.

It is an arithmetic number, because the mean of its divisors is an integer number (672719158792).

Almost surely, 2^{1345438317583} is an apocalyptic number.

1345438317583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345438317583 is an equidigital number, since it uses as much as digits as its factorization.

1345438317583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 55.

The spelling of 1345438317583 in words is "one trillion, three hundred forty-five billion, four hundred thirty-eight million, three hundred seventeen thousand, five hundred eighty-three".