1368485798399 has 4 divisors (see below), whose sum is σ = 1368489818136. Its totient is φ = 1368481778664.

The previous prime is 1368485798377. The next prime is 1368485798419. The reversal of 1368485798399 is 9938975848631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1368485798399 - 2³⁶ = 1299766321663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368485798599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446584 + ... + 2197629.

It is an arithmetic number, because the mean of its divisors is an integer number (342122454534).

Almost surely, 2^{1368485798399} is an apocalyptic number.

1368485798399 is a deficient number, since it is larger than the sum of its proper divisors (4019737).

1368485798399 is an equidigital number, since it uses as much as digits as its factorization.

1368485798399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019736.

The product of its digits is 2821754880, while the sum is 80.

The spelling of 1368485798399 in words is "one trillion, three hundred sixty-eight billion, four hundred eighty-five million, seven hundred ninety-eight thousand, three hundred ninety-nine".