1814928324281 has 2 divisors, whose sum is σ = 1814928324282. Its totient is φ = 1814928324280.

The previous prime is 1814928324149. The next prime is 1814928324323. The reversal of 1814928324281 is 1824238294181.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1421066647225 + 393861677056 = 1192085^2 + 627584^2 .

It is a cyclic number.

It is not a de Polignac number, because 1814928324281 - 2¹⁴ = 1814928307897 is a prime.

It is a super-2 number, since 2×1814928324281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1814928323281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907464162140 + 907464162141.

It is an arithmetic number, because the mean of its divisors is an integer number (907464162141).

Almost surely, 2^{1814928324281} is an apocalyptic number.

It is an amenable number.

1814928324281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814928324281 is an equidigital number, since it uses as much as digits as its factorization.

1814928324281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 53.

The spelling of 1814928324281 in words is "one trillion, eight hundred fourteen billion, nine hundred twenty-eight million, three hundred twenty-four thousand, two hundred eighty-one".