26006422613 has 2 divisors, whose sum is σ = 26006422614. Its totient is φ = 26006422612.

The previous prime is 26006422579. The next prime is 26006422697. The reversal of 26006422613 is 31622460062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21642234769 + 4364187844 = 147113^2 + 66062^2 .

It is a cyclic number.

It is not a de Polignac number, because 26006422613 - 2⁸ = 26006422357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26006422613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26006422213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13003211306 + 13003211307.

It is an arithmetic number, because the mean of its divisors is an integer number (13003211307).

Almost surely, 2^26006422613 is an apocalyptic number.

It is an amenable number.

26006422613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26006422613 is an equidigital number, since it uses as much as digits as its factorization.

26006422613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 26006422613 its reverse (31622460062), we get a palindrome (57628882675).

The spelling of 26006422613 in words is "twenty-six billion, six million, four hundred twenty-two thousand, six hundred thirteen".