39285121268 has 24 divisors (see below), whose sum is σ = 70682976000. Its totient is φ = 19095595808.

The previous prime is 39285121261. The next prime is 39285121283. The reversal of 39285121268 is 86212158293.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39285121261) 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, 673208 + ... + 729231.

It is an arithmetic number, because the mean of its divisors is an integer number (2945124000).

Almost surely, 2^39285121268 is an apocalyptic number.

It is an amenable number.

39285121268 is a deficient number, since it is larger than the sum of its proper divisors (31397854732).

39285121268 is a wasteful number, since it uses less digits than its factorization.

39285121268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402639 (or 1402637 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The spelling of 39285121268 in words is "thirty-nine billion, two hundred eighty-five million, one hundred twenty-one thousand, two hundred sixty-eight".