18344969996 has 12 divisors (see below), whose sum is σ = 32319159600. Its totient is φ = 9110924400.

The previous prime is 18344969953. The next prime is 18344969999. The reversal of 18344969996 is 69996944381.

It is not an unprimeable number, because it can be changed into a prime (18344969999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15389480 + ... + 15390671.

It is an arithmetic number, because the mean of its divisors is an integer number (2693263300).

Almost surely, 2^18344969996 is an apocalyptic number.

It is an amenable number.

18344969996 is a deficient number, since it is larger than the sum of its proper divisors (13974189604).

18344969996 is a wasteful number, since it uses less digits than its factorization.

18344969996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780304 (or 30780302 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 68.

The spelling of 18344969996 in words is "eighteen billion, three hundred forty-four million, nine hundred sixty-nine thousand, nine hundred ninety-six".