1345405430069 has 2 divisors, whose sum is σ = 1345405430070. Its totient is φ = 1345405430068.

The previous prime is 1345405430027. The next prime is 1345405430101. The reversal of 1345405430069 is 9600345045431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863960955025 + 481444475044 = 929495^2 + 693862^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345405430069 - 2²⁰ = 1345404381493 is a prime.

It is a super-4 number, since 4×1345405430069⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345405430569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672702715034 + 672702715035.

It is an arithmetic number, because the mean of its divisors is an integer number (672702715035).

Almost surely, 2^{1345405430069} is an apocalyptic number.

It is an amenable number.

1345405430069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345405430069 is an equidigital number, since it uses as much as digits as its factorization.

1345405430069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1345405430069 in words is "one trillion, three hundred forty-five billion, four hundred five million, four hundred thirty thousand, sixty-nine".