1363611974868 has 144 divisors (see below), whose sum is σ = 4050310747392. Its totient is φ = 381354912000.

The previous prime is 1363611974821. The next prime is 1363611974951. The reversal of 1363611974868 is 8684791163631.

1363611974868 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 61 + 1 + 97 + 486 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29377038 + ... + 29423418.

It is an arithmetic number, because the mean of its divisors is an integer number (28127157968).

Almost surely, 2^{1363611974868} is an apocalyptic number.

1363611974868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363611974868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025155373696).

1363611974868 is an abundant number, since it is smaller than the sum of its proper divisors (2686698772524).

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

1363611974868 is a wasteful number, since it uses less digits than its factorization.

1363611974868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52126 (or 52121 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 1363611974868 in words is "one trillion, three hundred sixty-three billion, six hundred eleven million, nine hundred seventy-four thousand, eight hundred sixty-eight".