63625383240479 has 2 divisors, whose sum is σ = 63625383240480. Its totient is φ = 63625383240478.

The previous prime is 63625383240413. The next prime is 63625383240491. The reversal of 63625383240479 is 97404238352636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63625383240479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63625383243479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31812691620239 + 31812691620240.

It is an arithmetic number, because the mean of its divisors is an integer number (31812691620240).

Almost surely, 2^{63625383240479} is an apocalyptic number.

63625383240479 is a deficient number, since it is larger than the sum of its proper divisors (1).

63625383240479 is an equidigital number, since it uses as much as digits as its factorization.

63625383240479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 62.

The spelling of 63625383240479 in words is "sixty-three trillion, six hundred twenty-five billion, three hundred eighty-three million, two hundred forty thousand, four hundred seventy-nine".