38633688109 has 8 divisors (see below), whose sum is σ = 39538442592. Its totient is φ = 37729219920.

The previous prime is 38633688103. The next prime is 38633688131. The reversal of 38633688109 is 90188633683.

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 38633688109 - 2¹¹ = 38633686061 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 38633688109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38633688103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214722 + ... + 351244.

It is an arithmetic number, because the mean of its divisors is an integer number (4942305324).

Almost surely, 2^38633688109 is an apocalyptic number.

It is an amenable number.

38633688109 is a deficient number, since it is larger than the sum of its proper divisors (904754483).

38633688109 is a wasteful number, since it uses less digits than its factorization.

38633688109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143147.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 38633688109 in words is "thirty-eight billion, six hundred thirty-three million, six hundred eighty-eight thousand, one hundred nine".