38646841899 has 8 divisors (see below), whose sum is σ = 52039312272. Its totient is φ = 25509466400.

The previous prime is 38646841873. The next prime is 38646841901. The reversal of 38646841899 is 99814864683.

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 38646841899 - 2⁷ = 38646841771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38646841099) 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, 63773364 + ... + 63773969.

It is an arithmetic number, because the mean of its divisors is an integer number (6504914034).

Almost surely, 2^38646841899 is an apocalyptic number.

38646841899 is a deficient number, since it is larger than the sum of its proper divisors (13392470373).

38646841899 is a wasteful number, since it uses less digits than its factorization.

38646841899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127547437.

The product of its digits is 71663616, while the sum is 66.

The spelling of 38646841899 in words is "thirty-eight billion, six hundred forty-six million, eight hundred forty-one thousand, eight hundred ninety-nine".