34245155509 has 2 divisors, whose sum is σ = 34245155510. Its totient is φ = 34245155508.

The previous prime is 34245155501. The next prime is 34245155513. The reversal of 34245155509 is 90555154243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30017295025 + 4227860484 = 173255^2 + 65022^2 .

It is a cyclic number.

It is not a de Polignac number, because 34245155509 - 2³ = 34245155501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34245155501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17122577754 + 17122577755.

It is an arithmetic number, because the mean of its divisors is an integer number (17122577755).

Almost surely, 2^34245155509 is an apocalyptic number.

It is an amenable number.

34245155509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34245155509 is an equidigital number, since it uses as much as digits as its factorization.

34245155509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 34245155509 in words is "thirty-four billion, two hundred forty-five million, one hundred fifty-five thousand, five hundred nine".