6312543217 has 16 divisors (see below), whose sum is σ = 6532539840. Its totient is φ = 6097021632.

The previous prime is 6312543179. The next prime is 6312543227. The reversal of 6312543217 is 7123452136.

It is a de Polignac number, because none of the positive numbers 2^k-6312543217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6312543227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920959 + ... + 927787.

It is an arithmetic number, because the mean of its divisors is an integer number (408283740).

Almost surely, 2^6312543217 is an apocalyptic number.

It is an amenable number.

6312543217 is a deficient number, since it is larger than the sum of its proper divisors (219996623).

6312543217 is a wasteful number, since it uses less digits than its factorization.

6312543217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152.

The product of its digits is 30240, while the sum is 34.

The square root of 6312543217 is about 79451.5148817189. The cubic root of 6312543217 is about 1848.1396655225.

The spelling of 6312543217 in words is "six billion, three hundred twelve million, five hundred forty-three thousand, two hundred seventeen".