38665990203 has 16 divisors (see below), whose sum is σ = 53340833280. Its totient is φ = 24884518176.

The previous prime is 38665990201. The next prime is 38665990211. The reversal of 38665990203 is 30209956683.

It is not a de Polignac number, because 38665990203 - 2¹ = 38665990201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38665990201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579726 + ... + 642972.

It is an arithmetic number, because the mean of its divisors is an integer number (3333802080).

Almost surely, 2^38665990203 is an apocalyptic number.

38665990203 is a deficient number, since it is larger than the sum of its proper divisors (14674843077).

38665990203 is a wasteful number, since it uses less digits than its factorization.

38665990203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70306.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 38665990203 in words is "thirty-eight billion, six hundred sixty-five million, nine hundred ninety thousand, two hundred three".