34345355647 has 2 divisors, whose sum is σ = 34345355648. Its totient is φ = 34345355646.

The previous prime is 34345355543. The next prime is 34345355711. The reversal of 34345355647 is 74655354343.

It is a strong prime.

It is an emirp because it is prime and its reverse (74655354343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34345355647 - 2¹⁹ = 34344831359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34345355647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34345355347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172677823 + 17172677824.

It is an arithmetic number, because the mean of its divisors is an integer number (17172677824).

Almost surely, 2^34345355647 is an apocalyptic number.

34345355647 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345355647 is an equidigital number, since it uses as much as digits as its factorization.

34345355647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 49.

The spelling of 34345355647 in words is "thirty-four billion, three hundred forty-five million, three hundred fifty-five thousand, six hundred forty-seven".