64479848946 has 64 divisors (see below), whose sum is σ = 132622828416. Its totient is φ = 20893248000.

The previous prime is 64479848933. The next prime is 64479848971. The reversal of 64479848946 is 64984897446.

64479848946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10038816 + ... + 10045236.

It is an arithmetic number, because the mean of its divisors is an integer number (2072231694).

Almost surely, 2^64479848946 is an apocalyptic number.

64479848946 is an abundant number, since it is smaller than the sum of its proper divisors (68142979470).

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

64479848946 is a wasteful number, since it uses less digits than its factorization.

64479848946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827.

The product of its digits is 334430208, while the sum is 69.

The spelling of 64479848946 in words is "sixty-four billion, four hundred seventy-nine million, eight hundred forty-eight thousand, nine hundred forty-six".