4243434014438 has 4 divisors (see below), whose sum is σ = 6365151021660. Its totient is φ = 2121717007218.

The previous prime is 4243434014437. The next prime is 4243434014453. The reversal of 4243434014438 is 8344104343424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243434014437) 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, 1060858503608 + ... + 1060858503611.

It is an arithmetic number, because the mean of its divisors is an integer number (1591287755415).

Almost surely, 2^{4243434014438} is an apocalyptic number.

4243434014438 is a deficient number, since it is larger than the sum of its proper divisors (2121717007222).

4243434014438 is a wasteful number, since it uses less digits than its factorization.

4243434014438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121717007221.

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 4243434014438 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, fourteen thousand, four hundred thirty-eight".