63464589945 has 24 divisors (see below), whose sum is σ = 110012877000. Its totient is φ = 33845446656.

The previous prime is 63464589899. The next prime is 63464589961. The reversal of 63464589945 is 54998546436.

63464589945 is a `hidden beast` number, since 6 + 3 + 4 + 6 + 4 + 589 + 9 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31662287721 + 31802302224 = 177939^2 + 178332^2 .

It is not a de Polignac number, because 63464589945 - 2⁸ = 63464589689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758031 + ... + 837579.

It is an arithmetic number, because the mean of its divisors is an integer number (4583869875).

Almost surely, 2^63464589945 is an apocalyptic number.

It is an amenable number.

63464589945 is a deficient number, since it is larger than the sum of its proper divisors (46548287055).

63464589945 is a wasteful number, since it uses less digits than its factorization.

63464589945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97289 (or 97286 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 63.

The spelling of 63464589945 in words is "sixty-three billion, four hundred sixty-four million, five hundred eighty-nine thousand, nine hundred forty-five".