4042050217 has 2 divisors, whose sum is σ = 4042050218. Its totient is φ = 4042050216.

The previous prime is 4042050191. The next prime is 4042050263. The reversal of 4042050217 is 7120502404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3611529216 + 430521001 = 60096^2 + 20749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042050217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4042050191 and 4042050200.

It is not a weakly prime, because it can be changed into another prime (4042050017) 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, 2021025108 + 2021025109.

It is an arithmetic number, because the mean of its divisors is an integer number (2021025109).

Almost surely, 2^4042050217 is an apocalyptic number.

It is an amenable number.

4042050217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042050217 is an equidigital number, since it uses as much as digits as its factorization.

4042050217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 4042050217 is about 63577.1202320457. The cubic root of 4042050217 is about 1592.9442193845.

The spelling of 4042050217 in words is "four billion, forty-two million, fifty thousand, two hundred seventeen".