34042449209 has 2 divisors, whose sum is σ = 34042449210. Its totient is φ = 34042449208.

The previous prime is 34042449197. The next prime is 34042449263. The reversal of 34042449209 is 90294424043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34002253609 + 40195600 = 184397^2 + 6340^2 .

It is a cyclic number.

It is not a de Polignac number, because 34042449209 - 2²⁰ = 34041400633 is a prime.

It is not a weakly prime, because it can be changed into another prime (34042449509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021224604 + 17021224605.

It is an arithmetic number, because the mean of its divisors is an integer number (17021224605).

Almost surely, 2^34042449209 is an apocalyptic number.

It is an amenable number.

34042449209 is a deficient number, since it is larger than the sum of its proper divisors (1).

34042449209 is an equidigital number, since it uses as much as digits as its factorization.

34042449209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 34042449209 in words is "thirty-four billion, forty-two million, four hundred forty-nine thousand, two hundred nine".