38285964999 has 48 divisors (see below), whose sum is σ = 58598691840. Its totient is φ = 24053927040.

The previous prime is 38285964961. The next prime is 38285965009. The reversal of 38285964999 is 99946958283.

38285964999 is a `hidden beast` number, since 3 + 8 + 28 + 596 + 4 + 9 + 9 + 9 = 666.

38285964999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-38285964999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38285964949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1750459 + ... + 1772195.

It is an arithmetic number, because the mean of its divisors is an integer number (1220806080).

Almost surely, 2^38285964999 is an apocalyptic number.

38285964999 is a deficient number, since it is larger than the sum of its proper divisors (20312726841).

38285964999 is a wasteful number, since it uses less digits than its factorization.

38285964999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21940 (or 21937 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The spelling of 38285964999 in words is "thirty-eight billion, two hundred eighty-five million, nine hundred sixty-four thousand, nine hundred ninety-nine".