18763465674784 has 12 divisors (see below), whose sum is σ = 36940573047294. Its totient is φ = 9381732837376.

The previous prime is 18763465674673. The next prime is 18763465674809. The reversal of 18763465674784 is 48747656436781.

It can be written as a sum of positive squares in only one way, i.e., 14804241226384 + 3959224448400 = 3847628^2 + 1989780^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18763465674784.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293179151137 + ... + 293179151200.

Almost surely, 2^{18763465674784} is an apocalyptic number.

It is an amenable number.

18763465674784 is a deficient number, since it is larger than the sum of its proper divisors (18177107372510).

18763465674784 is an equidigital number, since it uses as much as digits as its factorization.

18763465674784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586358302347 (or 586358302339 counting only the distinct ones).

The product of its digits is 4551966720, while the sum is 76.

The spelling of 18763465674784 in words is "eighteen trillion, seven hundred sixty-three billion, four hundred sixty-five million, six hundred seventy-four thousand, seven hundred eighty-four".