1868568486399 has 8 divisors (see below), whose sum is σ = 2768249609520. Its totient is φ = 1245712324248.

The previous prime is 1868568486391. The next prime is 1868568486401. The reversal of 1868568486399 is 9936848658681.

1868568486399 is a `hidden beast` number, since 1 + 8 + 6 + 8 + 568 + 48 + 6 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 1868568486399 - 2³ = 1868568486391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868568486391) 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, 34603120092 + ... + 34603120145.

It is an arithmetic number, because the mean of its divisors is an integer number (346031201190).

Almost surely, 2^{1868568486399} is an apocalyptic number.

1868568486399 is a deficient number, since it is larger than the sum of its proper divisors (899681123121).

1868568486399 is an equidigital number, since it uses as much as digits as its factorization.

1868568486399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69206240246 (or 69206240240 counting only the distinct ones).

The product of its digits is 4299816960, while the sum is 81.

The spelling of 1868568486399 in words is "one trillion, eight hundred sixty-eight billion, five hundred sixty-eight million, four hundred eighty-six thousand, three hundred ninety-nine".