1968961018484 has 48 divisors (see below), whose sum is σ = 3612182784000. Its totient is φ = 937966348800.

The previous prime is 1968961018483. The next prime is 1968961018517. The reversal of 1968961018484 is 4848101698691.

It is a self number, because there is not a number n which added to its sum of digits gives 1968961018484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968961018481) 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 15 ways as a sum of consecutive naturals, for example, 3130844 + ... + 3706764.

It is an arithmetic number, because the mean of its divisors is an integer number (75253808000).

Almost surely, 2^{1968961018484} is an apocalyptic number.

It is an amenable number.

1968961018484 is a deficient number, since it is larger than the sum of its proper divisors (1643221765516).

1968961018484 is a wasteful number, since it uses less digits than its factorization.

1968961018484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576384 (or 576382 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 65.

The spelling of 1968961018484 in words is "one trillion, nine hundred sixty-eight billion, nine hundred sixty-one million, eighteen thousand, four hundred eighty-four".