20050425404929 has 2 divisors, whose sum is σ = 20050425404930. Its totient is φ = 20050425404928.

The previous prime is 20050425404887. The next prime is 20050425405029. The reversal of 20050425404929 is 92940452405002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17380394240400 + 2670031164529 = 4168980^2 + 1634023^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050425404929 - 2³³ = 20041835470337 is a prime.

It is not a weakly prime, because it can be changed into another prime (20050425404329) 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, 10025212702464 + 10025212702465.

It is an arithmetic number, because the mean of its divisors is an integer number (10025212702465).

Almost surely, 2^{20050425404929} is an apocalyptic number.

It is an amenable number.

20050425404929 is a deficient number, since it is larger than the sum of its proper divisors (1).

20050425404929 is an equidigital number, since it uses as much as digits as its factorization.

20050425404929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 20050425404929 in words is "twenty trillion, fifty billion, four hundred twenty-five million, four hundred four thousand, nine hundred twenty-nine".