914243141340509 has 2 divisors, whose sum is σ = 914243141340510. Its totient is φ = 914243141340508.

The previous prime is 914243141340497. The next prime is 914243141340511. The reversal of 914243141340509 is 905043141342419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607506798408409 + 306736342932100 = 24647653^2 + 17513890^2 .

It is a cyclic number.

It is not a de Polignac number, because 914243141340509 - 2⁴ = 914243141340493 is a prime.

Together with 914243141340511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914243141340569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457121570670254 + 457121570670255.

It is an arithmetic number, because the mean of its divisors is an integer number (457121570670255).

Almost surely, 2^{914243141340509} is an apocalyptic number.

It is an amenable number.

914243141340509 is a deficient number, since it is larger than the sum of its proper divisors (1).

914243141340509 is an equidigital number, since it uses as much as digits as its factorization.

914243141340509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 914243141340509 in words is "nine hundred fourteen trillion, two hundred forty-three billion, one hundred forty-one million, three hundred forty thousand, five hundred nine".