7138656826543 has 8 divisors (see below), whose sum is σ = 7811153202816. Its totient is φ = 6470081712600.

The previous prime is 7138656826537. The next prime is 7138656826607. The reversal of 7138656826543 is 3456286568317.

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

It is a de Polignac number, because none of the positive numbers 2^k-7138656826543 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 (7138656826943) 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, 980311771 + ... + 980319052.

It is an arithmetic number, because the mean of its divisors is an integer number (976394150352).

Almost surely, 2^{7138656826543} is an apocalyptic number.

7138656826543 is a deficient number, since it is larger than the sum of its proper divisors (672496376273).

7138656826543 is a wasteful number, since it uses less digits than its factorization.

7138656826543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960631165.

The product of its digits is 174182400, while the sum is 64.

The spelling of 7138656826543 in words is "seven trillion, one hundred thirty-eight billion, six hundred fifty-six million, eight hundred twenty-six thousand, five hundred forty-three".