26786138683 has 2 divisors, whose sum is σ = 26786138684. Its totient is φ = 26786138682.

The previous prime is 26786138653. The next prime is 26786138747. The reversal of 26786138683 is 38683168762.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26786138683 is a prime.

It is not a weakly prime, because it can be changed into another prime (26786138633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13393069341 + 13393069342.

It is an arithmetic number, because the mean of its divisors is an integer number (13393069342).

Almost surely, 2^26786138683 is an apocalyptic number.

26786138683 is a deficient number, since it is larger than the sum of its proper divisors (1).

26786138683 is an equidigital number, since it uses as much as digits as its factorization.

26786138683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 58.

The spelling of 26786138683 in words is "twenty-six billion, seven hundred eighty-six million, one hundred thirty-eight thousand, six hundred eighty-three".