38349388899 has 32 divisors (see below), whose sum is σ = 57357668160. Its totient is φ = 25321895424.

The previous prime is 38349388877. The next prime is 38349388949. The reversal of 38349388899 is 99888394383.

38349388899 is a `hidden beast` number, since 383 + 4 + 93 + 88 + 89 + 9 = 666.

It is a Cunningham number, because it is equal to 195830²-1.

It is not a de Polignac number, because 38349388899 - 2⁷ = 38349388771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38349388849) 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, 5283757 + ... + 5291009.

It is an arithmetic number, because the mean of its divisors is an integer number (1792427130).

Almost surely, 2^38349388899 is an apocalyptic number.

38349388899 is a deficient number, since it is larger than the sum of its proper divisors (19008279261).

38349388899 is a wasteful number, since it uses less digits than its factorization.

38349388899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108 (or 9102 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 72.

The spelling of 38349388899 in words is "thirty-eight billion, three hundred forty-nine million, three hundred eighty-eight thousand, eight hundred ninety-nine".