18789936283650 has 96 divisors (see below), whose sum is σ = 53258179829760. Its totient is φ = 4294670656320.

The previous prime is 18789936283637. The next prime is 18789936283697. The reversal of 18789936283650 is 5638263998781.

It is a Harshad number since it is a multiple of its sum of digits (75).

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 in 47 ways as a sum of consecutive naturals, for example, 26869737 + ... + 27560163.

It is an arithmetic number, because the mean of its divisors is an integer number (554772706560).

Almost surely, 2^{18789936283650} is an apocalyptic number.

18789936283650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18789936283650 is an abundant number, since it is smaller than the sum of its proper divisors (34468243546110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18789936283650 is a wasteful number, since it uses less digits than its factorization.

18789936283650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716368 (or 716363 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 18789936283650 in words is "eighteen trillion, seven hundred eighty-nine billion, nine hundred thirty-six million, two hundred eighty-three thousand, six hundred fifty".