63320546447 has 2 divisors, whose sum is σ = 63320546448. Its totient is φ = 63320546446.

The previous prime is 63320546437. The next prime is 63320546453. The reversal of 63320546447 is 74464502336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63320546447 - 2⁶ = 63320546383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63320546398 and 63320546407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63320546437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31660273223 + 31660273224.

It is an arithmetic number, because the mean of its divisors is an integer number (31660273224).

Almost surely, 2^63320546447 is an apocalyptic number.

63320546447 is a deficient number, since it is larger than the sum of its proper divisors (1).

63320546447 is an equidigital number, since it uses as much as digits as its factorization.

63320546447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 63320546447 in words is "sixty-three billion, three hundred twenty million, five hundred forty-six thousand, four hundred forty-seven".