2449217663 has 2 divisors, whose sum is σ = 2449217664. Its totient is φ = 2449217662.

The previous prime is 2449217647. The next prime is 2449217677. The reversal of 2449217663 is 3667129442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2449217663 - 2⁴ = 2449217647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2449217623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224608831 + 1224608832.

It is an arithmetic number, because the mean of its divisors is an integer number (1224608832).

Almost surely, 2^2449217663 is an apocalyptic number.

2449217663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449217663 is an equidigital number, since it uses as much as digits as its factorization.

2449217663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 2449217663 is about 49489.5712549624. The cubic root of 2449217663 is about 1347.9562423242.

The spelling of 2449217663 in words is "two billion, four hundred forty-nine million, two hundred seventeen thousand, six hundred sixty-three".