2646595768273 has 2 divisors, whose sum is σ = 2646595768274. Its totient is φ = 2646595768272.

The previous prime is 2646595768211. The next prime is 2646595768301. The reversal of 2646595768273 is 3728675956462.

2646595768273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1970620748944 + 675975019329 = 1403788^2 + 822177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2646595768273 is a prime.

It is a super-2 number, since 2×2646595768273² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2646595768373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323297884136 + 1323297884137.

It is an arithmetic number, because the mean of its divisors is an integer number (1323297884137).

Almost surely, 2^{2646595768273} is an apocalyptic number.

It is an amenable number.

2646595768273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646595768273 is an equidigital number, since it uses as much as digits as its factorization.

2646595768273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 914457600, while the sum is 70.

The spelling of 2646595768273 in words is "two trillion, six hundred forty-six billion, five hundred ninety-five million, seven hundred sixty-eight thousand, two hundred seventy-three".