4338220749 has 4 divisors (see below), whose sum is σ = 5784294336. Its totient is φ = 2892147164.

The previous prime is 4338220727. The next prime is 4338220787. The reversal of 4338220749 is 9470228334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4338220749 - 2¹⁷ = 4338089677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4338220749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4338220349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723036789 + ... + 723036794.

It is an arithmetic number, because the mean of its divisors is an integer number (1446073584).

Almost surely, 2^4338220749 is an apocalyptic number.

It is an amenable number.

4338220749 is a deficient number, since it is larger than the sum of its proper divisors (1446073587).

4338220749 is a wasteful number, since it uses less digits than its factorization.

4338220749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446073586.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 4338220749 is about 65865.1709858860. The cubic root of 4338220749 is about 1630.9371139128.

The spelling of 4338220749 in words is "four billion, three hundred thirty-eight million, two hundred twenty thousand, seven hundred forty-nine".