63485888547979 has 2 divisors, whose sum is σ = 63485888547980. Its totient is φ = 63485888547978.

The previous prime is 63485888547973. The next prime is 63485888548013. The reversal of 63485888547979 is 97974588858436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63485888547979 - 2³ = 63485888547971 is a prime.

It is a super-2 number, since 2×63485888547979² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63485888547893 and 63485888547902.

It is not a weakly prime, because it can be changed into another prime (63485888547971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31742944273989 + 31742944273990.

It is an arithmetic number, because the mean of its divisors is an integer number (31742944273990).

Almost surely, 2^{63485888547979} is an apocalyptic number.

63485888547979 is a deficient number, since it is larger than the sum of its proper divisors (1).

63485888547979 is an equidigital number, since it uses as much as digits as its factorization.

63485888547979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117050572800, while the sum is 91.

The spelling of 63485888547979 in words is "sixty-three trillion, four hundred eighty-five billion, eight hundred eighty-eight million, five hundred forty-seven thousand, nine hundred seventy-nine".