34447740209 has 2 divisors, whose sum is σ = 34447740210. Its totient is φ = 34447740208.

The previous prime is 34447740199. The next prime is 34447740211. The reversal of 34447740209 is 90204774443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17975301184 + 16472439025 = 134072^2 + 128345^2 .

It is a cyclic number.

It is not a de Polignac number, because 34447740209 - 2⁴ = 34447740193 is a prime.

Together with 34447740211, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34447740209.

It is not a weakly prime, because it can be changed into another prime (34447740289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17223870104 + 17223870105.

It is an arithmetic number, because the mean of its divisors is an integer number (17223870105).

Almost surely, 2^34447740209 is an apocalyptic number.

It is an amenable number.

34447740209 is a deficient number, since it is larger than the sum of its proper divisors (1).

34447740209 is an equidigital number, since it uses as much as digits as its factorization.

34447740209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 34447740209 in words is "thirty-four billion, four hundred forty-seven million, seven hundred forty thousand, two hundred nine".