6347216836 has 24 divisors (see below), whose sum is σ = 11833123680. Its totient is φ = 2970349632.

The previous prime is 6347216807. The next prime is 6347216839. The reversal of 6347216836 is 6386127436.

It is not an unprimeable number, because it can be changed into a prime (6347216839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496801 + ... + 509416.

It is an arithmetic number, because the mean of its divisors is an integer number (493046820).

Almost surely, 2^6347216836 is an apocalyptic number.

It is an amenable number.

6347216836 is a deficient number, since it is larger than the sum of its proper divisors (5485906844).

6347216836 is a wasteful number, since it uses less digits than its factorization.

6347216836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006323 (or 1006321 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 6347216836 is about 79669.4222145485. The cubic root of 6347216836 is about 1851.5173172642.

It can be divided in two parts, 63472 and 16836, that added together give a palindrome (80308).

The spelling of 6347216836 in words is "six billion, three hundred forty-seven million, two hundred sixteen thousand, eight hundred thirty-six".