63803280481 has 2 divisors, whose sum is σ = 63803280482. Its totient is φ = 63803280480.

The previous prime is 63803280427. The next prime is 63803280553. The reversal of 63803280481 is 18408230836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59640966225 + 4162314256 = 244215^2 + 64516^2 .

It is a cyclic number.

It is not a de Polignac number, because 63803280481 - 2¹³ = 63803272289 is a prime.

It is a super-2 number, since 2×63803280481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63803280421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31901640240 + 31901640241.

It is an arithmetic number, because the mean of its divisors is an integer number (31901640241).

Almost surely, 2^63803280481 is an apocalyptic number.

It is an amenable number.

63803280481 is a deficient number, since it is larger than the sum of its proper divisors (1).

63803280481 is an equidigital number, since it uses as much as digits as its factorization.

63803280481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 63803280481 in words is "sixty-three billion, eight hundred three million, two hundred eighty thousand, four hundred eighty-one".