6345870009 has 8 divisors (see below), whose sum is σ = 8480261472. Its totient is φ = 4221029280.

The previous prime is 6345869977. The next prime is 6345870043. The reversal of 6345870009 is 9000785436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6345870009 - 2⁵ = 6345869977 is a prime.

It is a super-2 number, since 2×6345870009² = 80540132342251320162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6345870409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386132 + ... + 2388789.

It is an arithmetic number, because the mean of its divisors is an integer number (1060032684).

Almost surely, 2^6345870009 is an apocalyptic number.

It is an amenable number.

6345870009 is a deficient number, since it is larger than the sum of its proper divisors (2134391463).

6345870009 is a wasteful number, since it uses less digits than its factorization.

6345870009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775367.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 6345870009 is about 79660.9691693492. The cubic root of 6345870009 is about 1851.3863491051.

The spelling of 6345870009 in words is "six billion, three hundred forty-five million, eight hundred seventy thousand, nine".