1368968669961 has 32 divisors (see below), whose sum is σ = 1854703992960. Its totient is φ = 898042675200.

The previous prime is 1368968669921. The next prime is 1368968670019. The reversal of 1368968669961 is 1699668698631.

It is a de Polignac number, because none of the positive numbers 2^k-1368968669961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1368968669921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147497641 + ... + 147506921.

It is an arithmetic number, because the mean of its divisors is an integer number (57959499780).

Almost surely, 2^{1368968669961} is an apocalyptic number.

It is an amenable number.

1368968669961 is a deficient number, since it is larger than the sum of its proper divisors (485735322999).

1368968669961 is a wasteful number, since it uses less digits than its factorization.

1368968669961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11977.

The product of its digits is 1088391168, while the sum is 78.

The spelling of 1368968669961 in words is "one trillion, three hundred sixty-eight billion, nine hundred sixty-eight million, six hundred sixty-nine thousand, nine hundred sixty-one".