38689004209 has 32 divisors (see below), whose sum is σ = 42334814592. Its totient is φ = 35212800000.

The previous prime is 38689004203. The next prime is 38689004269. The reversal of 38689004209 is 90240098683.

It is a cyclic number.

It is not a de Polignac number, because 38689004209 - 2²⁷ = 38554786481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38689004203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49159714 + ... + 49160500.

It is an arithmetic number, because the mean of its divisors is an integer number (1322962956).

Almost surely, 2^38689004209 is an apocalyptic number.

It is an amenable number.

38689004209 is a deficient number, since it is larger than the sum of its proper divisors (3645810383).

38689004209 is a wasteful number, since it uses less digits than its factorization.

38689004209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 38689004209 in words is "thirty-eight billion, six hundred eighty-nine million, four thousand, two hundred nine".