18673605934 has 16 divisors (see below), whose sum is σ = 29031948720. Its totient is φ = 8997526720.

The previous prime is 18673605931. The next prime is 18673605943. The reversal of 18673605934 is 43950637681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18673605931) 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, 278764 + ... + 339199.

It is an arithmetic number, because the mean of its divisors is an integer number (1814496795).

Almost surely, 2^18673605934 is an apocalyptic number.

18673605934 is a deficient number, since it is larger than the sum of its proper divisors (10358342786).

18673605934 is a wasteful number, since it uses less digits than its factorization.

18673605934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618515.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 18673605934 in words is "eighteen billion, six hundred seventy-three million, six hundred five thousand, nine hundred thirty-four".