1968467536727 has 4 divisors (see below), whose sum is σ = 1968628542456. Its totient is φ = 1968306531000.

The previous prime is 1968467536703. The next prime is 1968467536747. The reversal of 1968467536727 is 7276357648691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1968467536727 - 2¹⁰ = 1968467535703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968467536747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80484524 + ... + 80508977.

It is an arithmetic number, because the mean of its divisors is an integer number (492157135614).

Almost surely, 2^{1968467536727} is an apocalyptic number.

1968467536727 is a deficient number, since it is larger than the sum of its proper divisors (161005729).

1968467536727 is a wasteful number, since it uses less digits than its factorization.

1968467536727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161005728.

The product of its digits is 640120320, while the sum is 71.

The spelling of 1968467536727 in words is "one trillion, nine hundred sixty-eight billion, four hundred sixty-seven million, five hundred thirty-six thousand, seven hundred twenty-seven".