63963465089 has 2 divisors, whose sum is σ = 63963465090. Its totient is φ = 63963465088.

The previous prime is 63963465053. The next prime is 63963465113. The reversal of 63963465089 is 98056436936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39597816064 + 24365649025 = 198992^2 + 156095^2 .

It is a cyclic number.

It is not a de Polignac number, because 63963465089 - 2¹⁶ = 63963399553 is a prime.

It is not a weakly prime, because it can be changed into another prime (63963465029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981732544 + 31981732545.

It is an arithmetic number, because the mean of its divisors is an integer number (31981732545).

Almost surely, 2^63963465089 is an apocalyptic number.

It is an amenable number.

63963465089 is a deficient number, since it is larger than the sum of its proper divisors (1).

63963465089 is an equidigital number, since it uses as much as digits as its factorization.

63963465089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 63963465089 in words is "sixty-three billion, nine hundred sixty-three million, four hundred sixty-five thousand, eighty-nine".