200042242481 has 2 divisors, whose sum is σ = 200042242482. Its totient is φ = 200042242480.

The previous prime is 200042242399. The next prime is 200042242487. The reversal of 200042242481 is 184242240002.

It is a happy number.

200042242481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191091379600 + 8950862881 = 437140^2 + 94609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200042242481 is a prime.

It is a super-2 number, since 2×200042242481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200042242487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100021121240 + 100021121241.

It is an arithmetic number, because the mean of its divisors is an integer number (100021121241).

Almost surely, 2^200042242481 is an apocalyptic number.

It is an amenable number.

200042242481 is a deficient number, since it is larger than the sum of its proper divisors (1).

200042242481 is an equidigital number, since it uses as much as digits as its factorization.

200042242481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 200042242481 its reverse (184242240002), we get a palindrome (384284482483).

The spelling of 200042242481 in words is "two hundred billion, forty-two million, two hundred forty-two thousand, four hundred eighty-one".