4394711917 has 2 divisors, whose sum is σ = 4394711918. Its totient is φ = 4394711916.

The previous prime is 4394711851. The next prime is 4394711957. The reversal of 4394711917 is 7191174934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3810716361 + 583995556 = 61731^2 + 24166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4394711917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394711957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197355958 + 2197355959.

It is an arithmetic number, because the mean of its divisors is an integer number (2197355959).

Almost surely, 2^4394711917 is an apocalyptic number.

It is an amenable number.

4394711917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394711917 is an equidigital number, since it uses as much as digits as its factorization.

4394711917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 46.

The square root of 4394711917 is about 66292.6233980825. The cubic root of 4394711917 is about 1637.9858176026.

The spelling of 4394711917 in words is "four billion, three hundred ninety-four million, seven hundred eleven thousand, nine hundred seventeen".