63920230093 has 2 divisors, whose sum is σ = 63920230094. Its totient is φ = 63920230092.

The previous prime is 63920230079. The next prime is 63920230109. The reversal of 63920230093 is 39003202936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34500090564 + 29420139529 = 185742^2 + 171523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63920230093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63920230063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31960115046 + 31960115047.

It is an arithmetic number, because the mean of its divisors is an integer number (31960115047).

Almost surely, 2^63920230093 is an apocalyptic number.

It is an amenable number.

63920230093 is a deficient number, since it is larger than the sum of its proper divisors (1).

63920230093 is an equidigital number, since it uses as much as digits as its factorization.

63920230093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 63920230093 in words is "sixty-three billion, nine hundred twenty million, two hundred thirty thousand, ninety-three".