340053433553521 has 2 divisors, whose sum is σ = 340053433553522. Its totient is φ = 340053433553520.

The previous prime is 340053433553489. The next prime is 340053433553557. The reversal of 340053433553521 is 125355334350043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312260883519025 + 27792550034496 = 17670905^2 + 5271864^2 .

It is a cyclic number.

It is not a de Polignac number, because 340053433553521 - 2⁵ = 340053433553489 is a prime.

It is not a weakly prime, because it can be changed into another prime (340053433553321) 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, 170026716776760 + 170026716776761.

It is an arithmetic number, because the mean of its divisors is an integer number (170026716776761).

Almost surely, 2^{340053433553521} is an apocalyptic number.

It is an amenable number.

340053433553521 is a deficient number, since it is larger than the sum of its proper divisors (1).

340053433553521 is an equidigital number, since it uses as much as digits as its factorization.

340053433553521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860000, while the sum is 46.

The spelling of 340053433553521 in words is "three hundred forty trillion, fifty-three billion, four hundred thirty-three million, five hundred fifty-three thousand, five hundred twenty-one".