63183022993 has 2 divisors, whose sum is σ = 63183022994. Its totient is φ = 63183022992.

The previous prime is 63183022967. The next prime is 63183023039. The reversal of 63183022993 is 39922038136.

It is an a-pointer prime, because the next prime (63183023039) can be obtained adding 63183022993 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50306901264 + 12876121729 = 224292^2 + 113473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63183022993 is a prime.

It is not a weakly prime, because it can be changed into another prime (63183022933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31591511496 + 31591511497.

It is an arithmetic number, because the mean of its divisors is an integer number (31591511497).

Almost surely, 2^63183022993 is an apocalyptic number.

It is an amenable number.

63183022993 is a deficient number, since it is larger than the sum of its proper divisors (1).

63183022993 is an equidigital number, since it uses as much as digits as its factorization.

63183022993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 63183022993 in words is "sixty-three billion, one hundred eighty-three million, twenty-two thousand, nine hundred ninety-three".