1827806441453 has 2 divisors, whose sum is σ = 1827806441454. Its totient is φ = 1827806441452.

The previous prime is 1827806441449. The next prime is 1827806441501. The reversal of 1827806441453 is 3541446087281.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1256008835524 + 571797605929 = 1120718^2 + 756173^2 .

It is an emirp because it is prime and its reverse (3541446087281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1827806441453 - 2² = 1827806441449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1827806441395 and 1827806441404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1827806443453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913903220726 + 913903220727.

It is an arithmetic number, because the mean of its divisors is an integer number (913903220727).

Almost surely, 2^{1827806441453} is an apocalyptic number.

It is an amenable number.

1827806441453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1827806441453 is an equidigital number, since it uses as much as digits as its factorization.

1827806441453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 1827806441453 in words is "one trillion, eight hundred twenty-seven billion, eight hundred six million, four hundred forty-one thousand, four hundred fifty-three".