4243434014437 has 2 divisors, whose sum is σ = 4243434014438. Its totient is φ = 4243434014436.

The previous prime is 4243434014321. The next prime is 4243434014453. The reversal of 4243434014437 is 7344104343424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4207807074436 + 35626940001 = 2051294^2 + 188751^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243434014437 - 2²⁷ = 4243299796709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4243434014393 and 4243434014402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243434014467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121717007218 + 2121717007219.

It is an arithmetic number, because the mean of its divisors is an integer number (2121717007219).

Almost surely, 2^{4243434014437} is an apocalyptic number.

It is an amenable number.

4243434014437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243434014437 is an equidigital number, since it uses as much as digits as its factorization.

4243434014437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 43.

The spelling of 4243434014437 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, fourteen thousand, four hundred thirty-seven".