1363720322768 has 10 divisors (see below), whose sum is σ = 2642208125394. Its totient is φ = 681860161376.

The previous prime is 1363720322761. The next prime is 1363720322771. The reversal of 1363720322768 is 8672230273631.

It can be written as a sum of positive squares in only one way, i.e., 1362607966864 + 1112355904 = 1167308^2 + 33352^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363720322761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42616260071 + ... + 42616260102.

Almost surely, 2^{1363720322768} is an apocalyptic number.

It is an amenable number.

1363720322768 is a deficient number, since it is larger than the sum of its proper divisors (1278487802626).

1363720322768 is an equidigital number, since it uses as much as digits as its factorization.

1363720322768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85232520181 (or 85232520175 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 1363720322768 in words is "one trillion, three hundred sixty-three billion, seven hundred twenty million, three hundred twenty-two thousand, seven hundred sixty-eight".