20312633873417 has 2 divisors, whose sum is σ = 20312633873418. Its totient is φ = 20312633873416.

The previous prime is 20312633873383. The next prime is 20312633873443. The reversal of 20312633873417 is 71437833621302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12926354664976 + 7386279208441 = 3595324^2 + 2717771^2 .

It is a cyclic number.

It is not a de Polignac number, because 20312633873417 - 2⁶ = 20312633873353 is a prime.

It is not a weakly prime, because it can be changed into another prime (20312633873317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156316936708 + 10156316936709.

It is an arithmetic number, because the mean of its divisors is an integer number (10156316936709).

Almost surely, 2^{20312633873417} is an apocalyptic number.

It is an amenable number.

20312633873417 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312633873417 is an equidigital number, since it uses as much as digits as its factorization.

20312633873417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 20312633873417 in words is "twenty trillion, three hundred twelve billion, six hundred thirty-three million, eight hundred seventy-three thousand, four hundred seventeen".