63252420345 has 32 divisors (see below), whose sum is σ = 118367107200. Its totient is φ = 31959116352.

The previous prime is 63252420331. The next prime is 63252420349. The reversal of 63252420345 is 54302425236.

63252420345 is a `hidden beast` number, since 63 + 252 + 4 + 2 + 0 + 345 = 666.

It is not a de Polignac number, because 63252420345 - 2⁹ = 63252419833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63252420349) 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, 12327342 + ... + 12332471.

It is an arithmetic number, because the mean of its divisors is an integer number (3698972100).

Almost surely, 2^63252420345 is an apocalyptic number.

It is an amenable number.

63252420345 is a deficient number, since it is larger than the sum of its proper divisors (55114686855).

63252420345 is a wasteful number, since it uses less digits than its factorization.

63252420345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24659846 (or 24659840 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 63252420345 in words is "sixty-three billion, two hundred fifty-two million, four hundred twenty thousand, three hundred forty-five".