995379895989 has 6 divisors (see below), whose sum is σ = 1437770960886. Its totient is φ = 663586597320.

The previous prime is 995379895949. The next prime is 995379895997. The reversal of 995379895989 is 989598973599.

995379895989 is a `hidden beast` number, since 9 + 9 + 5 + 3 + 7 + 9 + 8 + 9 + 598 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 657315562500 + 338064333489 = 810750^2 + 581433^2 .

It is not a de Polignac number, because 995379895989 - 2¹³ = 995379887797 is a prime.

It is a super-2 number, since 2×995379895989² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 995379895899 and 995379895908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995379895949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55298883102 + ... + 55298883119.

It is an arithmetic number, because the mean of its divisors is an integer number (239628493481).

Almost surely, 2^995379895989 is an apocalyptic number.

It is an amenable number.

995379895989 is a deficient number, since it is larger than the sum of its proper divisors (442391064897).

995379895989 is a wasteful number, since it uses less digits than its factorization.

995379895989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110597766227 (or 110597766224 counting only the distinct ones).

The product of its digits is 17856417600, while the sum is 90.

The spelling of 995379895989 in words is "nine hundred ninety-five billion, three hundred seventy-nine million, eight hundred ninety-five thousand, nine hundred eighty-nine".