4367647649 has 2 divisors, whose sum is σ = 4367647650. Its totient is φ = 4367647648.

The previous prime is 4367647621. The next prime is 4367647679. The reversal of 4367647649 is 9467467634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2600286049 + 1767361600 = 50993^2 + 42040^2 .

It is a cyclic number.

It is not a de Polignac number, because 4367647649 - 2³² = 72680353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4367647594 and 4367647603.

It is not a weakly prime, because it can be changed into another prime (4367647619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2183823824 + 2183823825.

It is an arithmetic number, because the mean of its divisors is an integer number (2183823825).

Almost surely, 2^4367647649 is an apocalyptic number.

It is an amenable number.

4367647649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4367647649 is an equidigital number, since it uses as much as digits as its factorization.

4367647649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 56.

The square root of 4367647649 is about 66088.1808570943. The cubic root of 4367647649 is about 1634.6164498534.

The spelling of 4367647649 in words is "four billion, three hundred sixty-seven million, six hundred forty-seven thousand, six hundred forty-nine".