2449217647 has 2 divisors, whose sum is σ = 2449217648. Its totient is φ = 2449217646.

The previous prime is 2449217623. The next prime is 2449217663. The reversal of 2449217647 is 7467129442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2449217647 - 2¹¹ = 2449215599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2449217597 and 2449217606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2449217677) 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 as a sum of consecutive naturals, namely, 1224608823 + 1224608824.

It is an arithmetic number, because the mean of its divisors is an integer number (1224608824).

Almost surely, 2^2449217647 is an apocalyptic number.

2449217647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449217647 is an equidigital number, since it uses as much as digits as its factorization.

2449217647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 2449217647 is about 49489.5710933122. The cubic root of 2449217647 is about 1347.9562393890.

The spelling of 2449217647 in words is "two billion, four hundred forty-nine million, two hundred seventeen thousand, six hundred forty-seven".