3838256365657 has 4 divisors (see below), whose sum is σ = 4386578703616. Its totient is φ = 3289934027700.

The previous prime is 3838256365607. The next prime is 3838256365729. The reversal of 3838256365657 is 7565636528383.

It is a happy number.

3838256365657 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 3838256365657 - 2⁷ = 3838256365529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3838256365592 and 3838256365601.

It is not an unprimeable number, because it can be changed into a prime (3838256365607) 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, 274161168969 + ... + 274161168982.

It is an arithmetic number, because the mean of its divisors is an integer number (1096644675904).

Almost surely, 2^{3838256365657} is an apocalyptic number.

It is an amenable number.

3838256365657 is a deficient number, since it is larger than the sum of its proper divisors (548322337959).

3838256365657 is an equidigital number, since it uses as much as digits as its factorization.

3838256365657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548322337958.

The product of its digits is 653184000, while the sum is 67.

The spelling of 3838256365657 in words is "three trillion, eight hundred thirty-eight billion, two hundred fifty-six million, three hundred sixty-five thousand, six hundred fifty-seven".