4649782582409 has 2 divisors, whose sum is σ = 4649782582410. Its totient is φ = 4649782582408.

The previous prime is 4649782582327. The next prime is 4649782582427. The reversal of 4649782582409 is 9042852879464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4227432069184 + 422350513225 = 2056072^2 + 649885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4649782582409 is a prime.

It is not a weakly prime, because it can be changed into another prime (4649782582909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324891291204 + 2324891291205.

It is an arithmetic number, because the mean of its divisors is an integer number (2324891291205).

Almost surely, 2^{4649782582409} is an apocalyptic number.

It is an amenable number.

4649782582409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649782582409 is an equidigital number, since it uses as much as digits as its factorization.

4649782582409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 4649782582409 in words is "four trillion, six hundred forty-nine billion, seven hundred eighty-two million, five hundred eighty-two thousand, four hundred nine".