63461779063 has 2 divisors, whose sum is σ = 63461779064. Its totient is φ = 63461779062.

The previous prime is 63461779039. The next prime is 63461779067. The reversal of 63461779063 is 36097716436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63461779063 - 2⁹ = 63461778551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63461779063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63461779067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31730889531 + 31730889532.

It is an arithmetic number, because the mean of its divisors is an integer number (31730889532).

Almost surely, 2^63461779063 is an apocalyptic number.

63461779063 is a deficient number, since it is larger than the sum of its proper divisors (1).

63461779063 is an equidigital number, since it uses as much as digits as its factorization.

63461779063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 63461779063 in words is "sixty-three billion, four hundred sixty-one million, seven hundred seventy-nine thousand, sixty-three".