20414436315529 has 2 divisors, whose sum is σ = 20414436315530. Its totient is φ = 20414436315528.

The previous prime is 20414436315521. The next prime is 20414436315541. The reversal of 20414436315529 is 92551363441402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12169297356304 + 8245138959225 = 3488452^2 + 2871435^2 .

It is a cyclic number.

It is not a de Polignac number, because 20414436315529 - 2³ = 20414436315521 is a prime.

It is not a weakly prime, because it can be changed into another prime (20414436315521) 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, 10207218157764 + 10207218157765.

It is an arithmetic number, because the mean of its divisors is an integer number (10207218157765).

Almost surely, 2^{20414436315529} is an apocalyptic number.

It is an amenable number.

20414436315529 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414436315529 is an equidigital number, since it uses as much as digits as its factorization.

20414436315529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 20414436315529 in words is "twenty trillion, four hundred fourteen billion, four hundred thirty-six million, three hundred fifteen thousand, five hundred twenty-nine".