18873748699 has 8 divisors (see below), whose sum is σ = 20526820272. Its totient is φ = 17249426400.

The previous prime is 18873748681. The next prime is 18873748711. The reversal of 18873748699 is 99684737881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18873748699 - 2¹³ = 18873740507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18873748799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185949 + ... + 7188574.

It is an arithmetic number, because the mean of its divisors is an integer number (2565852534).

Almost surely, 2^18873748699 is an apocalyptic number.

18873748699 is a deficient number, since it is larger than the sum of its proper divisors (1653071573).

18873748699 is a wasteful number, since it uses less digits than its factorization.

18873748699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14374637.

The product of its digits is 146313216, while the sum is 70.

The spelling of 18873748699 in words is "eighteen billion, eight hundred seventy-three million, seven hundred forty-eight thousand, six hundred ninety-nine".