1983691138713 has 8 divisors (see below), whose sum is σ = 2689750696800. Its totient is φ = 1300046169888.

The previous prime is 1983691138711. The next prime is 1983691138717. The reversal of 1983691138713 is 3178311963891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1983691138713 - 2¹ = 1983691138711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1983691138711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603647108 + ... + 5603647461.

It is an arithmetic number, because the mean of its divisors is an integer number (336218837100).

Almost surely, 2^{1983691138713} is an apocalyptic number.

It is an amenable number.

1983691138713 is a deficient number, since it is larger than the sum of its proper divisors (706059558087).

1983691138713 is a wasteful number, since it uses less digits than its factorization.

1983691138713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207294631.

The product of its digits is 5878656, while the sum is 60.

The spelling of 1983691138713 in words is "one trillion, nine hundred eighty-three billion, six hundred ninety-one million, one hundred thirty-eight thousand, seven hundred thirteen".