2606064344644 has 6 divisors (see below), whose sum is σ = 4560612603134. Its totient is φ = 1303032172320.

The previous prime is 2606064344641. The next prime is 2606064344647. The reversal of 2606064344644 is 4464434606062.

It is an interprime number because it is at equal distance from previous prime (2606064344641) and next prime (2606064344647).

It can be written as a sum of positive squares in only one way, i.e., 1683926666244 + 922137678400 = 1297662^2 + 960280^2 .

It is a super-2 number, since 2×2606064344644² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2606064344641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325758043077 + ... + 325758043084.

Almost surely, 2^{2606064344644} is an apocalyptic number.

It is an amenable number.

2606064344644 is a deficient number, since it is larger than the sum of its proper divisors (1954548258490).

2606064344644 is a wasteful number, since it uses less digits than its factorization.

2606064344644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651516086165 (or 651516086163 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 49.

The spelling of 2606064344644 in words is "two trillion, six hundred six billion, sixty-four million, three hundred forty-four thousand, six hundred forty-four".