12438083541786 has 16 divisors (see below), whose sum is σ = 28429905238464. Its totient is φ = 3553738154784.

The previous prime is 12438083541721. The next prime is 12438083541787. The reversal of 12438083541786 is 68714538083421.

It is not an unprimeable number, because it can be changed into a prime (12438083541787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148072423075 + ... + 148072423158.

It is an arithmetic number, because the mean of its divisors is an integer number (1776869077404).

Almost surely, 2^{12438083541786} is an apocalyptic number.

12438083541786 is an abundant number, since it is smaller than the sum of its proper divisors (15991821696678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12438083541786 is a wasteful number, since it uses less digits than its factorization.

12438083541786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296144846245.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 12438083541786 in words is "twelve trillion, four hundred thirty-eight billion, eighty-three million, five hundred forty-one thousand, seven hundred eighty-six".