20392796717963 has 2 divisors, whose sum is σ = 20392796717964. Its totient is φ = 20392796717962.

The previous prime is 20392796717957. The next prime is 20392796717971. The reversal of 20392796717963 is 36971769729302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20392796717963 - 2⁸ = 20392796717707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20392796717933) 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, 10196398358981 + 10196398358982.

It is an arithmetic number, because the mean of its divisors is an integer number (10196398358982).

Almost surely, 2^{20392796717963} is an apocalyptic number.

20392796717963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20392796717963 is an equidigital number, since it uses as much as digits as its factorization.

20392796717963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324060912, while the sum is 71.

The spelling of 20392796717963 in words is "twenty trillion, three hundred ninety-two billion, seven hundred ninety-six million, seven hundred seventeen thousand, nine hundred sixty-three".