2442666406273 has 2 divisors, whose sum is σ = 2442666406274. Its totient is φ = 2442666406272.

The previous prime is 2442666406237. The next prime is 2442666406277. The reversal of 2442666406273 is 3726046662442.

It is a happy number.

Together with previous prime (2442666406237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932289044624 + 510377361649 = 1390068^2 + 714407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442666406273 - 2⁴¹ = 243643150721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2442666406273.

It is not a weakly prime, because it can be changed into another prime (2442666406277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221333203136 + 1221333203137.

It is an arithmetic number, because the mean of its divisors is an integer number (1221333203137).

Almost surely, 2^{2442666406273} is an apocalyptic number.

It is an amenable number.

2442666406273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442666406273 is an equidigital number, since it uses as much as digits as its factorization.

2442666406273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 52.

The spelling of 2442666406273 in words is "two trillion, four hundred forty-two billion, six hundred sixty-six million, four hundred six thousand, two hundred seventy-three".