1830463481897 has 2 divisors, whose sum is σ = 1830463481898. Its totient is φ = 1830463481896.

The previous prime is 1830463481801. The next prime is 1830463481909. The reversal of 1830463481897 is 7981843640381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1529436783616 + 301026698281 = 1236704^2 + 548659^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830463481897 - 2²⁰ = 1830462433321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1830463411897) 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, 915231740948 + 915231740949.

It is an arithmetic number, because the mean of its divisors is an integer number (915231740949).

Almost surely, 2^{1830463481897} is an apocalyptic number.

It is an amenable number.

1830463481897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830463481897 is an equidigital number, since it uses as much as digits as its factorization.

1830463481897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 1830463481897 in words is "one trillion, eight hundred thirty billion, four hundred sixty-three million, four hundred eighty-one thousand, eight hundred ninety-seven".