4216939717 has 2 divisors, whose sum is σ = 4216939718. Its totient is φ = 4216939716.

The previous prime is 4216939697. The next prime is 4216939721. The reversal of 4216939717 is 7179396124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4153673601 + 63266116 = 64449^2 + 7954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4216939717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4216339717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108469858 + 2108469859.

It is an arithmetic number, because the mean of its divisors is an integer number (2108469859).

Almost surely, 2^4216939717 is an apocalyptic number.

It is an amenable number.

4216939717 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216939717 is an equidigital number, since it uses as much as digits as its factorization.

4216939717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 4216939717 is about 64937.9682235285. The cubic root of 4216939717 is about 1615.5948652583.

The spelling of 4216939717 in words is "four billion, two hundred sixteen million, nine hundred thirty-nine thousand, seven hundred seventeen".