64459107912 has 32 divisors (see below), whose sum is σ = 161158956480. Its totient is φ = 21484877760.

The previous prime is 64459107857. The next prime is 64459107943. The reversal of 64459107912 is 21970195446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292237 + ... + 462947.

It is an arithmetic number, because the mean of its divisors is an integer number (5036217390).

Almost surely, 2^64459107912 is an apocalyptic number.

It is an amenable number.

64459107912 is an abundant number, since it is smaller than the sum of its proper divisors (96699848568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64459107912 is a wasteful number, since it uses less digits than its factorization.

64459107912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186453 (or 186449 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 64459107912 in words is "sixty-four billion, four hundred fifty-nine million, one hundred seven thousand, nine hundred twelve".