34344644309 has 2 divisors, whose sum is σ = 34344644310. Its totient is φ = 34344644308.

The previous prime is 34344644249. The next prime is 34344644363. The reversal of 34344644309 is 90344644343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27645712900 + 6698931409 = 166270^2 + 81847^2 .

It is a cyclic number.

It is not a de Polignac number, because 34344644309 - 2²⁰ = 34343595733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34344644309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34344643309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172322154 + 17172322155.

It is an arithmetic number, because the mean of its divisors is an integer number (17172322155).

Almost surely, 2^34344644309 is an apocalyptic number.

It is an amenable number.

34344644309 is a deficient number, since it is larger than the sum of its proper divisors (1).

34344644309 is an equidigital number, since it uses as much as digits as its factorization.

34344644309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 34344644309 in words is "thirty-four billion, three hundred forty-four million, six hundred forty-four thousand, three hundred nine".