2606844013 has 2 divisors, whose sum is σ = 2606844014. Its totient is φ = 2606844012.

The previous prime is 2606843999. The next prime is 2606844043. The reversal of 2606844013 is 3104486062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1927824649 + 679019364 = 43907^2 + 26058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2606844013 - 2¹³ = 2606835821 is a prime.

It is a super-2 number, since 2×2606844013² = 13591271416227888338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2606844013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2606844043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303422006 + 1303422007.

It is an arithmetic number, because the mean of its divisors is an integer number (1303422007).

Almost surely, 2^2606844013 is an apocalyptic number.

It is an amenable number.

2606844013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606844013 is an equidigital number, since it uses as much as digits as its factorization.

2606844013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2606844013 is about 51057.2620985497. The cubic root of 2606844013 is about 1376.2743470359.

The spelling of 2606844013 in words is "two billion, six hundred six million, eight hundred forty-four thousand, thirteen".