995289858138 has 32 divisors (see below), whose sum is σ = 1999656100800. Its totient is φ = 330251112576.

The previous prime is 995289858133. The next prime is 995289858151. The reversal of 995289858138 is 831858982599.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 995289858138.

It is not an unprimeable number, because it can be changed into a prime (995289858133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7378870 + ... + 7512542.

It is an arithmetic number, because the mean of its divisors is an integer number (62489253150).

Almost surely, 2^995289858138 is an apocalyptic number.

995289858138 is an abundant number, since it is smaller than the sum of its proper divisors (1004366242662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

995289858138 is a wasteful number, since it uses less digits than its factorization.

995289858138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139326.

The product of its digits is 447897600, while the sum is 75.

The spelling of 995289858138 in words is "nine hundred ninety-five billion, two hundred eighty-nine million, eight hundred fifty-eight thousand, one hundred thirty-eight".