6243684947 has 4 divisors (see below), whose sum is σ = 6243855696. Its totient is φ = 6243514200.

The previous prime is 6243684913. The next prime is 6243685001. The reversal of 6243684947 is 7494863426.

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

It is a cyclic number.

It is not a de Polignac number, because 6243684947 - 2¹⁰ = 6243683923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6243684247) 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, 5804 + ... + 111897.

It is an arithmetic number, because the mean of its divisors is an integer number (1560963924).

Almost surely, 2^6243684947 is an apocalyptic number.

6243684947 is a deficient number, since it is larger than the sum of its proper divisors (170749).

6243684947 is a wasteful number, since it uses less digits than its factorization.

6243684947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170748.

The product of its digits is 6967296, while the sum is 53.

The square root of 6243684947 is about 79016.9915081560. The cubic root of 6243684947 is about 1841.3951441405.

The spelling of 6243684947 in words is "six billion, two hundred forty-three million, six hundred eighty-four thousand, nine hundred forty-seven".