6345122017 has 4 divisors (see below), whose sum is σ = 6833208340. Its totient is φ = 5857035696.

The previous prime is 6345121997. The next prime is 6345122039. The reversal of 6345122017 is 7102215436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 926837136 + 5418284881 = 30444^2 + 73609^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345122017 - 2¹¹ = 6345119969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6345122017.

It is not an unprimeable number, because it can be changed into a prime (6345122117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244043142 + ... + 244043167.

It is an arithmetic number, because the mean of its divisors is an integer number (1708302085).

Almost surely, 2^6345122017 is an apocalyptic number.

It is an amenable number.

6345122017 is a deficient number, since it is larger than the sum of its proper divisors (488086323).

6345122017 is a wasteful number, since it uses less digits than its factorization.

6345122017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488086322.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 6345122017 is about 79656.2741847747. The cubic root of 6345122017 is about 1851.3136048588.

The spelling of 6345122017 in words is "six billion, three hundred forty-five million, one hundred twenty-two thousand, seventeen".