4338338857 has 4 divisors (see below), whose sum is σ = 4341257856. Its totient is φ = 4335419860.

The previous prime is 4338338801. The next prime is 4338338881. The reversal of 4338338857 is 7588338334.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7588338334 = 2 ⋅3794169167.

It is a cyclic number.

It is not a de Polignac number, because 4338338857 - 2²³ = 4329950249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4338338057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457269 + ... + 1460242.

It is an arithmetic number, because the mean of its divisors is an integer number (1085314464).

Almost surely, 2^4338338857 is an apocalyptic number.

It is an amenable number.

4338338857 is a deficient number, since it is larger than the sum of its proper divisors (2918999).

4338338857 is a wasteful number, since it uses less digits than its factorization.

4338338857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918998.

The product of its digits is 5806080, while the sum is 52.

The square root of 4338338857 is about 65866.0675689691. The cubic root of 4338338857 is about 1630.9519145253.

The spelling of 4338338857 in words is "four billion, three hundred thirty-eight million, three hundred thirty-eight thousand, eight hundred fifty-seven".