3838487038409 has 4 divisors (see below), whose sum is σ = 3840872675220. Its totient is φ = 3836101401600.

The previous prime is 3838487038391. The next prime is 3838487038459. The reversal of 3838487038409 is 9048307848383.

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 3381608377225 + 456878661184 = 1838915^2 + 675928^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838487038409 - 2²⁴ = 3838470261193 is a prime.

It is a super-4 number, since 4×3838487038409⁴ (a number of 51 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3838487038459) 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, 1192815992 + ... + 1192819209.

It is an arithmetic number, because the mean of its divisors is an integer number (960218168805).

Almost surely, 2^{3838487038409} is an apocalyptic number.

It is an amenable number.

3838487038409 is a deficient number, since it is larger than the sum of its proper divisors (2385636811).

3838487038409 is a wasteful number, since it uses less digits than its factorization.

3838487038409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385636810.

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 3838487038409 in words is "three trillion, eight hundred thirty-eight billion, four hundred eighty-seven million, thirty-eight thousand, four hundred nine".