795658648009 has 3 divisors (see below), whose sum is σ = 795659540007. Its totient is φ = 795657756012.

The previous prime is 795658648007. The next prime is 795658648051. The reversal of 795658648009 is 900846856597.

The square root of 795658648009 is 891997.

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: 900846856597 = 263 ⋅3425273219.

It can be written as a sum of positive squares in only one way, i.e., 103481239225 + 692177408784 = 321685^2 + 831972^2 .

It is not a de Polignac number, because 795658648009 - 2¹ = 795658648007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (795658648007) 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, 445999 + ... + 1337995.

It is an arithmetic number, because the mean of its divisors is an integer number (265219846669).

Almost surely, 2^795658648009 is an apocalyptic number.

795658648009 is the 891997-th square number.

795658648009 is the 445999-th centered octagonal number.

It is an amenable number.

795658648009 is a deficient number, since it is larger than the sum of its proper divisors (891998).

795658648009 is an frugal number, since it uses more digits than its factorization.

795658648009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783994 (or 891997 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 67.

The spelling of 795658648009 in words is "seven hundred ninety-five billion, six hundred fifty-eight million, six hundred forty-eight thousand, nine".