64510466848 has 48 divisors (see below), whose sum is σ = 134580235104. Its totient is φ = 30334305280.

The previous prime is 64510466843. The next prime is 64510466869. The reversal of 64510466848 is 84866401546.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64510466795 and 64510466804.

It is not an unprimeable number, because it can be changed into a prime (64510466843) by changing a digit.

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, 665643 + ... + 756373.

It is an arithmetic number, because the mean of its divisors is an integer number (2803754898).

Almost surely, 2^64510466848 is an apocalyptic number.

64510466848 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64510466848 is an abundant number, since it is smaller than the sum of its proper divisors (70069768256).

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

64510466848 is a wasteful number, since it uses less digits than its factorization.

64510466848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92065 (or 92057 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 64510466848 in words is "sixty-four billion, five hundred ten million, four hundred sixty-six thousand, eight hundred forty-eight".