1434351708509 has 2 divisors, whose sum is σ = 1434351708510. Its totient is φ = 1434351708508.

The previous prime is 1434351708443. The next prime is 1434351708571. The reversal of 1434351708509 is 9058071534341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175121040900 + 259230667609 = 1084030^2 + 509147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434351708509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434351708809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717175854254 + 717175854255.

It is an arithmetic number, because the mean of its divisors is an integer number (717175854255).

Almost surely, 2^{1434351708509} is an apocalyptic number.

It is an amenable number.

1434351708509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434351708509 is an equidigital number, since it uses as much as digits as its factorization.

1434351708509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 1434351708509 in words is "one trillion, four hundred thirty-four billion, three hundred fifty-one million, seven hundred eight thousand, five hundred nine".