38591009099 has 8 divisors (see below), whose sum is σ = 39054510720. Its totient is φ = 38129104000.

The previous prime is 38591009087. The next prime is 38591009123. The reversal of 38591009099 is 99090019583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38591009099 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 38591009099.

It is not an unprimeable number, because it can be changed into a prime (38591009399) 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, 350462 + ... + 447219.

It is an arithmetic number, because the mean of its divisors is an integer number (4881813840).

Almost surely, 2^38591009099 is an apocalyptic number.

38591009099 is a deficient number, since it is larger than the sum of its proper divisors (463501621).

38591009099 is a wasteful number, since it uses less digits than its factorization.

38591009099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798261.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 38591009099 in words is "thirty-eight billion, five hundred ninety-one million, nine thousand, ninety-nine".