1821046418063 has 2 divisors, whose sum is σ = 1821046418064. Its totient is φ = 1821046418062.

The previous prime is 1821046418053. The next prime is 1821046418089. The reversal of 1821046418063 is 3608146401281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1821046418063 - 2²⁶ = 1820979309199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1821046418053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910523209031 + 910523209032.

It is an arithmetic number, because the mean of its divisors is an integer number (910523209032).

Almost surely, 2^{1821046418063} is an apocalyptic number.

1821046418063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1821046418063 is an equidigital number, since it uses as much as digits as its factorization.

1821046418063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 1821046418063 in words is "one trillion, eight hundred twenty-one billion, forty-six million, four hundred eighteen thousand, sixty-three".