38618231099 has 8 divisors (see below), whose sum is σ = 44136799968. Its totient is φ = 33100081920.

The previous prime is 38618231081. The next prime is 38618231107. The reversal of 38618231099 is 99013281683.

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 38618231099 - 2¹⁶ = 38618165563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38618231599) 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, 126209 + ... + 305229.

It is an arithmetic number, because the mean of its divisors is an integer number (5517099996).

Almost surely, 2^38618231099 is an apocalyptic number.

38618231099 is a deficient number, since it is larger than the sum of its proper divisors (5518568869).

38618231099 is a wasteful number, since it uses less digits than its factorization.

38618231099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209845.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 38618231099 in words is "thirty-eight billion, six hundred eighteen million, two hundred thirty-one thousand, ninety-nine".