4243555435459 has 2 divisors, whose sum is σ = 4243555435460. Its totient is φ = 4243555435458.

The previous prime is 4243555435433. The next prime is 4243555435477. The reversal of 4243555435459 is 9545345553424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4243555435459 - 2⁷ = 4243555435331 is a prime.

It is a super-2 number, since 2×4243555435459² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4243555415459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121777717729 + 2121777717730.

It is an arithmetic number, because the mean of its divisors is an integer number (2121777717730).

Almost surely, 2^{4243555435459} is an apocalyptic number.

4243555435459 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243555435459 is an equidigital number, since it uses as much as digits as its factorization.

4243555435459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600000, while the sum is 58.

The spelling of 4243555435459 in words is "four trillion, two hundred forty-three billion, five hundred fifty-five million, four hundred thirty-five thousand, four hundred fifty-nine".