18473447107 has 16 divisors (see below), whose sum is σ = 19238503680. Its totient is φ = 17724121632.

The previous prime is 18473447089. The next prime is 18473447123. The reversal of 18473447107 is 70174437481.

It is a cyclic number.

It is not a de Polignac number, because 18473447107 - 2²³ = 18465058499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18473447177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4902138 + ... + 4905904.

It is an arithmetic number, because the mean of its divisors is an integer number (1202406480).

Almost surely, 2^18473447107 is an apocalyptic number.

18473447107 is a deficient number, since it is larger than the sum of its proper divisors (765056573).

18473447107 is a wasteful number, since it uses less digits than its factorization.

18473447107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 18473447107 in words is "eighteen billion, four hundred seventy-three million, four hundred forty-seven thousand, one hundred seven".