20050425404479 has 2 divisors, whose sum is σ = 20050425404480. Its totient is φ = 20050425404478.

The previous prime is 20050425404447. The next prime is 20050425404549. The reversal of 20050425404479 is 97440452405002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20050425404479 - 2⁵ = 20050425404447 is a prime.

It is a super-2 number, since 2×20050425404479² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20050425408479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025212702239 + 10025212702240.

It is an arithmetic number, because the mean of its divisors is an integer number (10025212702240).

Almost surely, 2^{20050425404479} is an apocalyptic number.

20050425404479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20050425404479 is an equidigital number, since it uses as much as digits as its factorization.

20050425404479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 20050425404479 in words is "twenty trillion, fifty billion, four hundred twenty-five million, four hundred four thousand, four hundred seventy-nine".