1820196460463 has 2 divisors, whose sum is σ = 1820196460464. Its totient is φ = 1820196460462.

The previous prime is 1820196460429. The next prime is 1820196460499. The reversal of 1820196460463 is 3640646910281.

It is a weak prime.

It is an emirp because it is prime and its reverse (3640646910281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1820196460463 - 2²⁴ = 1820179683247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1820196460163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910098230231 + 910098230232.

It is an arithmetic number, because the mean of its divisors is an integer number (910098230232).

Almost surely, 2^{1820196460463} is an apocalyptic number.

1820196460463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1820196460463 is an equidigital number, since it uses as much as digits as its factorization.

1820196460463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 1820196460463 in words is "one trillion, eight hundred twenty billion, one hundred ninety-six million, four hundred sixty thousand, four hundred sixty-three".