2281852499161 has 2 divisors, whose sum is σ = 2281852499162. Its totient is φ = 2281852499160.

The previous prime is 2281852499153. The next prime is 2281852499189. The reversal of 2281852499161 is 1619942581822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1176107715225 + 1105744783936 = 1084485^2 + 1051544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281852499161 - 2³ = 2281852499153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2281852499096 and 2281852499105.

It is not a weakly prime, because it can be changed into another prime (2281852499141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140926249580 + 1140926249581.

It is an arithmetic number, because the mean of its divisors is an integer number (1140926249581).

Almost surely, 2^{2281852499161} is an apocalyptic number.

It is an amenable number.

2281852499161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281852499161 is an equidigital number, since it uses as much as digits as its factorization.

2281852499161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 58.

The spelling of 2281852499161 in words is "two trillion, two hundred eighty-one billion, eight hundred fifty-two million, four hundred ninety-nine thousand, one hundred sixty-one".