4243644734 has 16 divisors (see below), whose sum is σ = 7276055136. Its totient is φ = 1818396000.

The previous prime is 4243644719. The next prime is 4243644763. The reversal of 4243644734 is 4374463424.

It is a junction number, because it is equal to n+sod(n) for n = 4243644691 and 4243644700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72584 + ... + 117284.

It is an arithmetic number, because the mean of its divisors is an integer number (454753446).

Almost surely, 2^4243644734 is an apocalyptic number.

4243644734 is a deficient number, since it is larger than the sum of its proper divisors (3032410402).

4243644734 is a wasteful number, since it uses less digits than its factorization.

4243644734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51491.

The product of its digits is 774144, while the sum is 41.

The square root of 4243644734 is about 65143.2631513037. The cubic root of 4243644734 is about 1618.9981019839.

The spelling of 4243644734 in words is "four billion, two hundred forty-three million, six hundred forty-four thousand, seven hundred thirty-four".