3838728266417 has 4 divisors (see below), whose sum is σ = 4187703563376. Its totient is φ = 3489752969460.

The previous prime is 3838728266369. The next prime is 3838728266423. The reversal of 3838728266417 is 7146628278383.

3838728266417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3838728266417 - 2²⁶ = 3838661157553 is a prime.

It is a super-2 number, since 2×3838728266417² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3838728266437) 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, 174487648463 + ... + 174487648484.

It is an arithmetic number, because the mean of its divisors is an integer number (1046925890844).

Almost surely, 2^{3838728266417} is an apocalyptic number.

It is an amenable number.

3838728266417 is a deficient number, since it is larger than the sum of its proper divisors (348975296959).

3838728266417 is a wasteful number, since it uses less digits than its factorization.

3838728266417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348975296958.

The product of its digits is 130056192, while the sum is 65.

The spelling of 3838728266417 in words is "three trillion, eight hundred thirty-eight billion, seven hundred twenty-eight million, two hundred sixty-six thousand, four hundred seventeen".