1816414441 has 2 divisors, whose sum is σ = 1816414442. Its totient is φ = 1816414440.

The previous prime is 1816414427. The next prime is 1816414447. The reversal of 1816414441 is 1444146181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1064064400 + 752350041 = 32620^2 + 27429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1816414441 - 2⁵ = 1816414409 is a prime.

It is a super-2 number, since 2×1816414441² = 6598722842946684962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1816414397 and 1816414406.

It is not a weakly prime, because it can be changed into another prime (1816414447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908207220 + 908207221.

It is an arithmetic number, because the mean of its divisors is an integer number (908207221).

It is a self-describing number.

Almost surely, 2^1816414441 is an apocalyptic number.

It is an amenable number.

1816414441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1816414441 is an equidigital number, since it uses as much as digits as its factorization.

1816414441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 34.

The square root of 1816414441 is about 42619.4138978940. The cubic root of 1816414441 is about 1220.1268436153.

The spelling of 1816414441 in words is "one billion, eight hundred sixteen million, four hundred fourteen thousand, four hundred forty-one".