200100194617 has 2 divisors, whose sum is σ = 200100194618. Its totient is φ = 200100194616.

The previous prime is 200100194573. The next prime is 200100194621. The reversal of 200100194617 is 716491001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200091603856 + 8590761 = 447316^2 + 2931^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100194617 - 2¹¹ = 200100192569 is a prime.

It is a super-2 number, since 2×200100194617² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200100194627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050097308 + 100050097309.

It is an arithmetic number, because the mean of its divisors is an integer number (100050097309).

Almost surely, 2^200100194617 is an apocalyptic number.

It is an amenable number.

200100194617 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100194617 is an equidigital number, since it uses as much as digits as its factorization.

200100194617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 200100194617 its reverse (716491001002), we get a palindrome (916591195619).

The spelling of 200100194617 in words is "two hundred billion, one hundred million, one hundred ninety-four thousand, six hundred seventeen".