26684822068 has 6 divisors (see below), whose sum is σ = 46698438626. Its totient is φ = 13342411032.

The previous prime is 26684822057. The next prime is 26684822069. The reversal of 26684822068 is 86022848662.

It can be written as a sum of positive squares in only one way, i.e., 13574114064 + 13110708004 = 116508^2 + 114502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26684822069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335602755 + ... + 3335602762.

Almost surely, 2^26684822068 is an apocalyptic number.

It is an amenable number.

26684822068 is a deficient number, since it is larger than the sum of its proper divisors (20013616558).

26684822068 is a wasteful number, since it uses less digits than its factorization.

26684822068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671205521 (or 6671205519 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 26684822068 in words is "twenty-six billion, six hundred eighty-four million, eight hundred twenty-two thousand, sixty-eight".