18873748702 has 4 divisors (see below), whose sum is σ = 28310623056. Its totient is φ = 9436874350.

The previous prime is 18873748681. The next prime is 18873748711. The reversal of 18873748702 is 20784737881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20784737881 = 199 ⋅104445919.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4718437174 + ... + 4718437177.

It is an arithmetic number, because the mean of its divisors is an integer number (7077655764).

Almost surely, 2^18873748702 is an apocalyptic number.

18873748702 is a deficient number, since it is larger than the sum of its proper divisors (9436874354).

18873748702 is an equidigital number, since it uses as much as digits as its factorization.

18873748702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436874353.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 18873748702 in words is "eighteen billion, eight hundred seventy-three million, seven hundred forty-eight thousand, seven hundred two".