1783384484864 has 44 divisors (see below), whose sum is σ = 3661379552544. Its totient is φ = 867592433664.

The previous prime is 1783384484813. The next prime is 1783384484867. The reversal of 1783384484864 is 4684844833871.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1783384484794 and 1783384484803.

It is not an unprimeable number, because it can be changed into a prime (1783384484867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23497064 + ... + 23572839.

Almost surely, 2^{1783384484864} is an apocalyptic number.

It is an amenable number.

1783384484864 is an abundant number, since it is smaller than the sum of its proper divisors (1877995067680).

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

1783384484864 is an equidigital number, since it uses as much as digits as its factorization.

1783384484864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47069960 (or 47069942 counting only the distinct ones).

The product of its digits is 396361728, while the sum is 68.

The spelling of 1783384484864 in words is "one trillion, seven hundred eighty-three billion, three hundred eighty-four million, four hundred eighty-four thousand, eight hundred sixty-four".