2536320647 has 16 divisors (see below), whose sum is σ = 2960239104. Its totient is φ = 2128140000.

The previous prime is 2536320641. The next prime is 2536320667. The reversal of 2536320647 is 7460236352.

It is a happy number.

It is not a de Polignac number, because 2536320647 - 2²⁰ = 2535272071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2536320647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2536320641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76022 + ... + 104172.

It is an arithmetic number, because the mean of its divisors is an integer number (185014944).

Almost surely, 2^2536320647 is an apocalyptic number.

2536320647 is a deficient number, since it is larger than the sum of its proper divisors (423918457).

2536320647 is a wasteful number, since it uses less digits than its factorization.

2536320647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 2536320647 is about 50361.8967772263. The cubic root of 2536320647 is about 1363.7498600694.

Adding to 2536320647 its reverse (7460236352), we get a palindrome (9996556999).

The spelling of 2536320647 in words is "two billion, five hundred thirty-six million, three hundred twenty thousand, six hundred forty-seven".