1368319658805 has 24 divisors (see below), whose sum is σ = 2587368083040. Its totient is φ = 663427713120.

The previous prime is 1368319658773. The next prime is 1368319658861. The reversal of 1368319658805 is 5088569138631.

1368319658805 is a `hidden beast` number, since 1 + 36 + 8 + 3 + 19 + 6 + 588 + 0 + 5 = 666.

It is not a de Polignac number, because 1368319658805 - 2⁵ = 1368319658773 is a prime.

It is a super-4 number, since 4×1368319658805⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1382140575 + ... + 1382141564.

It is an arithmetic number, because the mean of its divisors is an integer number (107807003460).

Almost surely, 2^{1368319658805} is an apocalyptic number.

1368319658805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1368319658805 is a deficient number, since it is larger than the sum of its proper divisors (1219048424235).

1368319658805 is a wasteful number, since it uses less digits than its factorization.

1368319658805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764282161 (or 2764282158 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 1368319658805 in words is "one trillion, three hundred sixty-eight billion, three hundred nineteen million, six hundred fifty-eight thousand, eight hundred five".