200434142421091 has 2 divisors, whose sum is σ = 200434142421092. Its totient is φ = 200434142421090.

The previous prime is 200434142421083. The next prime is 200434142421113. The reversal of 200434142421091 is 190124241434002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200434142421091 - 2³ = 200434142421083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200434142421091.

It is not a weakly prime, because it can be changed into another prime (200434142421041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100217071210545 + 100217071210546.

It is an arithmetic number, because the mean of its divisors is an integer number (100217071210546).

Almost surely, 2^{200434142421091} is an apocalyptic number.

200434142421091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200434142421091 is an equidigital number, since it uses as much as digits as its factorization.

200434142421091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 200434142421091 its reverse (190124241434002), we get a palindrome (390558383855093).

The spelling of 200434142421091 in words is "two hundred trillion, four hundred thirty-four billion, one hundred forty-two million, four hundred twenty-one thousand, ninety-one".