26622194513 has 2 divisors, whose sum is σ = 26622194514. Its totient is φ = 26622194512.

The previous prime is 26622194507. The next prime is 26622194563. The reversal of 26622194513 is 31549122662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26553354304 + 68840209 = 162952^2 + 8297^2 .

It is a cyclic number.

It is not a de Polignac number, because 26622194513 - 2⁶ = 26622194449 is a prime.

It is not a weakly prime, because it can be changed into another prime (26622194563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13311097256 + 13311097257.

It is an arithmetic number, because the mean of its divisors is an integer number (13311097257).

Almost surely, 2^26622194513 is an apocalyptic number.

It is an amenable number.

26622194513 is a deficient number, since it is larger than the sum of its proper divisors (1).

26622194513 is an equidigital number, since it uses as much as digits as its factorization.

26622194513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 26622194513 in words is "twenty-six billion, six hundred twenty-two million, one hundred ninety-four thousand, five hundred thirteen".