4994943617 has 2 divisors, whose sum is σ = 4994943618. Its totient is φ = 4994943616.

The previous prime is 4994943571. The next prime is 4994943623. The reversal of 4994943617 is 7163494994.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3535015936 + 1459927681 = 59456^2 + 38209^2 .

It is a cyclic number.

It is not a de Polignac number, because 4994943617 - 2⁸ = 4994943361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4994943517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497471808 + 2497471809.

It is an arithmetic number, because the mean of its divisors is an integer number (2497471809).

Almost surely, 2^4994943617 is an apocalyptic number.

It is an amenable number.

4994943617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994943617 is an equidigital number, since it uses as much as digits as its factorization.

4994943617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The square root of 4994943617 is about 70674.9150477027. The cubic root of 4994943617 is about 1709.3993327071.

The spelling of 4994943617 in words is "four billion, nine hundred ninety-four million, nine hundred forty-three thousand, six hundred seventeen".