995279583769 has 3 divisors (see below), whose sum is σ = 995280581407. Its totient is φ = 995278586132.

The previous prime is 995279583761. The next prime is 995279583799. The reversal of 995279583769 is 967385972599.

The square root of 995279583769 is 997637.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 967385972599 = 37 ⋅26145566827.

It can be written as a sum of positive squares in only one way, i.e., 30932015625 + 964347568144 = 175875^2 + 982012^2 .

It is not a de Polignac number, because 995279583769 - 2³ = 995279583761 is a prime.

It is a super-2 number, since 2×995279583769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995279583761) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 498819 + ... + 1496455.

Almost surely, 2^995279583769 is an apocalyptic number.

995279583769 is the 997637-th square number.

995279583769 is the 498819-th centered octagonal number.

It is an amenable number.

995279583769 is a deficient number, since it is larger than the sum of its proper divisors (997638).

995279583769 is an frugal number, since it uses more digits than its factorization.

995279583769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995274 (or 997637 counting only the distinct ones).

The product of its digits is 2314720800, while the sum is 79.

The spelling of 995279583769 in words is "nine hundred ninety-five billion, two hundred seventy-nine million, five hundred eighty-three thousand, seven hundred sixty-nine".