12738335687683 has 4 divisors (see below), whose sum is σ = 12928460101000. Its totient is φ = 12548211274368.

The previous prime is 12738335687669. The next prime is 12738335687723. The reversal of 12738335687683 is 38678653383721.

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 12738335687683 - 2²¹ = 12738333590531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12738336687683) 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, 95062206558 + ... + 95062206691.

It is an arithmetic number, because the mean of its divisors is an integer number (3232115025250).

Almost surely, 2^{12738335687683} is an apocalyptic number.

12738335687683 is a deficient number, since it is larger than the sum of its proper divisors (190124413317).

12738335687683 is an equidigital number, since it uses as much as digits as its factorization.

12738335687683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190124413316.

The product of its digits is 731566080, while the sum is 70.

The spelling of 12738335687683 in words is "twelve trillion, seven hundred thirty-eight billion, three hundred thirty-five million, six hundred eighty-seven thousand, six hundred eighty-three".