20346461369863 has 2 divisors, whose sum is σ = 20346461369864. Its totient is φ = 20346461369862.

The previous prime is 20346461369831. The next prime is 20346461369869. The reversal of 20346461369863 is 36896316464302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20346461369863 - 2⁵ = 20346461369831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346461369869) 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, 10173230684931 + 10173230684932.

It is an arithmetic number, because the mean of its divisors is an integer number (10173230684932).

Almost surely, 2^{20346461369863} is an apocalyptic number.

20346461369863 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346461369863 is an equidigital number, since it uses as much as digits as its factorization.

20346461369863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80621568, while the sum is 61.

The spelling of 20346461369863 in words is "twenty trillion, three hundred forty-six billion, four hundred sixty-one million, three hundred sixty-nine thousand, eight hundred sixty-three".