2289391461349 has 2 divisors, whose sum is σ = 2289391461350. Its totient is φ = 2289391461348.

The previous prime is 2289391461317. The next prime is 2289391461451. The reversal of 2289391461349 is 9431641939822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2247645616225 + 41745845124 = 1499215^2 + 204318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289391461349 - 2⁵ = 2289391461317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289691461349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144695730674 + 1144695730675.

It is an arithmetic number, because the mean of its divisors is an integer number (1144695730675).

Almost surely, 2^{2289391461349} is an apocalyptic number.

It is an amenable number.

2289391461349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289391461349 is an equidigital number, since it uses as much as digits as its factorization.

2289391461349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 61.

The spelling of 2289391461349 in words is "two trillion, two hundred eighty-nine billion, three hundred ninety-one million, four hundred sixty-one thousand, three hundred forty-nine".