6536724245 has 4 divisors (see below), whose sum is σ = 7844069100. Its totient is φ = 5229379392.

The previous prime is 6536724203. The next prime is 6536724287. The reversal of 6536724245 is 5424276356.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6536724203) and next prime (6536724287).

It can be written as a sum of positive squares in 2 ways, for example, as 3363768004 + 3172956241 = 57998^2 + 56329^2 .

It is a cyclic number.

It is not a de Polignac number, because 6536724245 - 2⁸ = 6536723989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6536724196 and 6536724205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653672420 + ... + 653672429.

It is an arithmetic number, because the mean of its divisors is an integer number (1961017275).

Almost surely, 2^6536724245 is an apocalyptic number.

It is an amenable number.

6536724245 is a deficient number, since it is larger than the sum of its proper divisors (1307344855).

6536724245 is a wasteful number, since it uses less digits than its factorization.

6536724245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307344854.

The product of its digits is 1209600, while the sum is 44.

The square root of 6536724245 is about 80850.0107915886. The cubic root of 6536724245 is about 1869.7636889564.

The spelling of 6536724245 in words is "six billion, five hundred thirty-six million, seven hundred twenty-four thousand, two hundred forty-five".