6316943302609 has 3 divisors (see below), whose sum is σ = 6316945815963. Its totient is φ = 6316940789256.

The previous prime is 6316943302589. The next prime is 6316943302613. The reversal of 6316943302609 is 9062033496136.

The square root of 6316943302609 is 2513353.

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.

It can be written as a sum of positive squares in only one way, i.e., 3666976054225 + 2649967248384 = 1914935^2 + 1627872^2 .

It is not a de Polignac number, because 6316943302609 - 2¹⁵ = 6316943269841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6316943302619) 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, 1256677 + ... + 3770029.

It is an arithmetic number, because the mean of its divisors is an integer number (2105648605321).

Almost surely, 2^{6316943302609} is an apocalyptic number.

6316943302609 is the 2513353-rd square number.

6316943302609 is the 1256677-th centered octagonal number.

It is an amenable number.

6316943302609 is a deficient number, since it is larger than the sum of its proper divisors (2513354).

6316943302609 is an frugal number, since it uses more digits than its factorization.

6316943302609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026706 (or 2513353 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 6316943302609 in words is "six trillion, three hundred sixteen billion, nine hundred forty-three million, three hundred two thousand, six hundred nine".