20350352629693 has 2 divisors, whose sum is σ = 20350352629694. Its totient is φ = 20350352629692.

The previous prime is 20350352629687. The next prime is 20350352629709. The reversal of 20350352629693 is 39692625305302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16508960386884 + 3841392242809 = 4063122^2 + 1959947^2 .

It is a cyclic number.

It is not a de Polignac number, because 20350352629693 - 2⁹ = 20350352629181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20350352629093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175176314846 + 10175176314847.

It is an arithmetic number, because the mean of its divisors is an integer number (10175176314847).

Almost surely, 2^{20350352629693} is an apocalyptic number.

It is an amenable number.

20350352629693 is a deficient number, since it is larger than the sum of its proper divisors (1).

20350352629693 is an equidigital number, since it uses as much as digits as its factorization.

20350352629693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15746400, while the sum is 55.

The spelling of 20350352629693 in words is "twenty trillion, three hundred fifty billion, three hundred fifty-two million, six hundred twenty-nine thousand, six hundred ninety-three".