38388385189 has 8 divisors (see below), whose sum is σ = 47860843968. Its totient is φ = 29913027360.

The previous prime is 38388385169. The next prime is 38388385193. The reversal of 38388385189 is 98158388383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38388385189 - 2⁹ = 38388384677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38388385189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388385159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249275152 + ... + 249275305.

It is an arithmetic number, because the mean of its divisors is an integer number (5982605496).

Almost surely, 2^38388385189 is an apocalyptic number.

It is an amenable number.

38388385189 is a deficient number, since it is larger than the sum of its proper divisors (9472458779).

38388385189 is a wasteful number, since it uses less digits than its factorization.

38388385189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498550475.

The product of its digits is 39813120, while the sum is 64.

The spelling of 38388385189 in words is "thirty-eight billion, three hundred eighty-eight million, three hundred eighty-five thousand, one hundred eighty-nine".