1363643634740 has 12 divisors (see below), whose sum is σ = 2863651632996. Its totient is φ = 545457453888.

The previous prime is 1363643634739. The next prime is 1363643634791. The reversal of 1363643634740 is 474363463631.

It can be written as a sum of positive squares in 2 ways, for example, as 986581319824 + 377062314916 = 993268^2 + 614054^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34091090849 + ... + 34091090888.

It is an arithmetic number, because the mean of its divisors is an integer number (238637636083).

Almost surely, 2^{1363643634740} is an apocalyptic number.

1363643634740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363643634740 is an abundant number, since it is smaller than the sum of its proper divisors (1500007998256).

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

1363643634740 is a wasteful number, since it uses less digits than its factorization.

1363643634740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68182181746 (or 68182181744 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 50.

The spelling of 1363643634740 in words is "one trillion, three hundred sixty-three billion, six hundred forty-three million, six hundred thirty-four thousand, seven hundred forty".