2272749443297 has 2 divisors, whose sum is σ = 2272749443298. Its totient is φ = 2272749443296.

The previous prime is 2272749443267. The next prime is 2272749443323. The reversal of 2272749443297 is 7923449472722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188102180001 + 1084647263296 = 1090001^2 + 1041464^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272749443297 - 2⁶ = 2272749443233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272749443267) 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, 1136374721648 + 1136374721649.

It is an arithmetic number, because the mean of its divisors is an integer number (1136374721649).

Almost surely, 2^{2272749443297} is an apocalyptic number.

It is an amenable number.

2272749443297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272749443297 is an equidigital number, since it uses as much as digits as its factorization.

2272749443297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85349376, while the sum is 62.

The spelling of 2272749443297 in words is "two trillion, two hundred seventy-two billion, seven hundred forty-nine million, four hundred forty-three thousand, two hundred ninety-seven".