20967913763 has 2 divisors, whose sum is σ = 20967913764. Its totient is φ = 20967913762.

The previous prime is 20967913753. The next prime is 20967913843. The reversal of 20967913763 is 36731976902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20967913763 - 2⁶ = 20967913699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20967913753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10483956881 + 10483956882.

It is an arithmetic number, because the mean of its divisors is an integer number (10483956882).

Almost surely, 2^20967913763 is an apocalyptic number.

20967913763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20967913763 is an equidigital number, since it uses as much as digits as its factorization.

20967913763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The spelling of 20967913763 in words is "twenty billion, nine hundred sixty-seven million, nine hundred thirteen thousand, seven hundred sixty-three".