3838235363657 has 4 divisors (see below), whose sum is σ = 3839393904660. Its totient is φ = 3837076822656.

The previous prime is 3838235363653. The next prime is 3838235363671. The reversal of 3838235363657 is 7563635328383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2451090835216 + 1387144528441 = 1565596^2 + 1177771^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838235363657 - 2² = 3838235363653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3838235363657.

It is not an unprimeable number, because it can be changed into a prime (3838235363653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579265532 + ... + 579272157.

It is an arithmetic number, because the mean of its divisors is an integer number (959848476165).

Almost surely, 2^{3838235363657} is an apocalyptic number.

It is an amenable number.

3838235363657 is a deficient number, since it is larger than the sum of its proper divisors (1158541003).

3838235363657 is a wasteful number, since it uses less digits than its factorization.

3838235363657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158541002.

The product of its digits is 195955200, while the sum is 62.

The spelling of 3838235363657 in words is "three trillion, eight hundred thirty-eight billion, two hundred thirty-five million, three hundred sixty-three thousand, six hundred fifty-seven".