2272904811349 has 2 divisors, whose sum is σ = 2272904811350. Its totient is φ = 2272904811348.

The previous prime is 2272904811329. The next prime is 2272904811409. The reversal of 2272904811349 is 9431184092722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1902123680625 + 370781130724 = 1379175^2 + 608918^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272904811349 - 2²⁵ = 2272871256917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2272904811296 and 2272904811305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272904811319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136452405674 + 1136452405675.

It is an arithmetic number, because the mean of its divisors is an integer number (1136452405675).

Almost surely, 2^{2272904811349} is an apocalyptic number.

It is an amenable number.

2272904811349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272904811349 is an equidigital number, since it uses as much as digits as its factorization.

2272904811349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 2272904811349 in words is "two trillion, two hundred seventy-two billion, nine hundred four million, eight hundred eleven thousand, three hundred forty-nine".