1368362835857 has 18 divisors (see below), whose sum is σ = 1473312630582. Its totient is φ = 1266485904000.

The previous prime is 1368362835821. The next prime is 1368362835859. The reversal of 1368362835857 is 7585382638631.

It can be written as a sum of positive squares in 3 ways, for example, as 5537741056 + 1362825094801 = 74416^2 + 1167401^2 .

It is not a de Polignac number, because 1368362835857 - 2⁸ = 1368362835601 is a prime.

It is a super-2 number, since 2×1368362835857² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1368362835793 and 1368362835802.

It is not an unprimeable number, because it can be changed into a prime (1368362835859) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 294205982 + ... + 294210632.

It is an arithmetic number, because the mean of its divisors is an integer number (81850701699).

Almost surely, 2^{1368362835857} is an apocalyptic number.

1368362835857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1368362835857 is a deficient number, since it is larger than the sum of its proper divisors (104949794725).

1368362835857 is an frugal number, since it uses more digits than its factorization.

1368362835857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441 (or 4729 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 65.

The spelling of 1368362835857 in words is "one trillion, three hundred sixty-eight billion, three hundred sixty-two million, eight hundred thirty-five thousand, eight hundred fifty-seven".