18965382826 has 16 divisors (see below), whose sum is σ = 31968405504. Its totient is φ = 8372677104.

The previous prime is 18965382797. The next prime is 18965382881. The reversal of 18965382826 is 62828356981.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15856746 + ... + 15857941.

It is an arithmetic number, because the mean of its divisors is an integer number (1998025344).

Almost surely, 2^18965382826 is an apocalyptic number.

18965382826 is a deficient number, since it is larger than the sum of its proper divisors (13003022678).

18965382826 is a wasteful number, since it uses less digits than its factorization.

18965382826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31714725.

The product of its digits is 9953280, while the sum is 58.

The spelling of 18965382826 in words is "eighteen billion, nine hundred sixty-five million, three hundred eighty-two thousand, eight hundred twenty-six".