1368283621869 has 12 divisors (see below), whose sum is σ = 1979633843356. Its totient is φ = 910701004032.

The previous prime is 1368283621849. The next prime is 1368283621871. The reversal of 1368283621869 is 9681263828631.

It is a happy number.

1368283621869 is a `hidden beast` number, since 1 + 368 + 28 + 36 + 218 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 428618996100 + 939664625769 = 654690^2 + 969363^2 .

It is not a de Polignac number, because 1368283621869 - 2⁷ = 1368283621741 is a prime.

It is a super-2 number, since 2×1368283621869² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368283621829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124000612 + ... + 124011645.

Almost surely, 2^{1368283621869} is an apocalyptic number.

It is an amenable number.

1368283621869 is a deficient number, since it is larger than the sum of its proper divisors (611350221487).

1368283621869 is a wasteful number, since it uses less digits than its factorization.

1368283621869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248012876 (or 248012873 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 1368283621869 in words is "one trillion, three hundred sixty-eight billion, two hundred eighty-three million, six hundred twenty-one thousand, eight hundred sixty-nine".