2660026013 has 2 divisors, whose sum is σ = 2660026014. Its totient is φ = 2660026012.

The previous prime is 2660026009. The next prime is 2660026067. The reversal of 2660026013 is 3106200662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2200266649 + 459759364 = 46907^2 + 21442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660026013 - 2² = 2660026009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660026813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330013006 + 1330013007.

It is an arithmetic number, because the mean of its divisors is an integer number (1330013007).

Almost surely, 2^2660026013 is an apocalyptic number.

It is an amenable number.

2660026013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660026013 is an equidigital number, since it uses as much as digits as its factorization.

2660026013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2660026013 is about 51575.4400175122. The cubic root of 2660026013 is about 1385.5704988537.

Adding to 2660026013 its reverse (3106200662), we get a palindrome (5766226675).

The spelling of 2660026013 in words is "two billion, six hundred sixty million, twenty-six thousand, thirteen".