63430005505 has 32 divisors (see below), whose sum is σ = 79149198240. Its totient is φ = 48761118720.

The previous prime is 63430005503. The next prime is 63430005511. The reversal of 63430005505 is 50550003436.

It can be written as a sum of positive squares in 16 ways, for example, as 52512472336 + 10917533169 = 229156^2 + 104487^2 .

It is not a de Polignac number, because 63430005505 - 2¹ = 63430005503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63430005503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12762661 + ... + 12767629.

It is an arithmetic number, because the mean of its divisors is an integer number (2473412445).

Almost surely, 2^63430005505 is an apocalyptic number.

It is an amenable number.

63430005505 is a deficient number, since it is larger than the sum of its proper divisors (15719192735).

63430005505 is a wasteful number, since it uses less digits than its factorization.

63430005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 63430005505 in words is "sixty-three billion, four hundred thirty million, five thousand, five hundred five".