63693423361 has 2 divisors, whose sum is σ = 63693423362. Its totient is φ = 63693423360.

The previous prime is 63693423359. The next prime is 63693423383. The reversal of 63693423361 is 16332439636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42100884225 + 21592539136 = 205185^2 + 146944^2 .

It is a cyclic number.

It is not a de Polignac number, because 63693423361 - 2¹ = 63693423359 is a prime.

Together with 63693423359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63693723361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31846711680 + 31846711681.

It is an arithmetic number, because the mean of its divisors is an integer number (31846711681).

Almost surely, 2^63693423361 is an apocalyptic number.

It is an amenable number.

63693423361 is a deficient number, since it is larger than the sum of its proper divisors (1).

63693423361 is an equidigital number, since it uses as much as digits as its factorization.

63693423361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 46.

The spelling of 63693423361 in words is "sixty-three billion, six hundred ninety-three million, four hundred twenty-three thousand, three hundred sixty-one".