1368663863 has 8 divisors (see below), whose sum is σ = 1656198432. Its totient is φ = 1104132096.

The previous prime is 1368663851. The next prime is 1368663869. The reversal of 1368663863 is 3683668631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1368663863 - 2⁴ = 1368663847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368663869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750570 + ... + 5750807.

It is an arithmetic number, because the mean of its divisors is an integer number (207024804).

Almost surely, 2^1368663863 is an apocalyptic number.

1368663863 is a deficient number, since it is larger than the sum of its proper divisors (287534569).

1368663863 is a wasteful number, since it uses less digits than its factorization.

1368663863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501401.

The product of its digits is 2239488, while the sum is 50.

The square root of 1368663863 is about 36995.4573292452. The cubic root of 1368663863 is about 1110.2793612791.

The spelling of 1368663863 in words is "one billion, three hundred sixty-eight million, six hundred sixty-three thousand, eight hundred sixty-three".