64480425205 has 24 divisors (see below), whose sum is σ = 90218396160. Its totient is φ = 44112489120.

The previous prime is 64480425203. The next prime is 64480425271. The reversal of 64480425205 is 50252408446.

It is not a de Polignac number, because 64480425205 - 2¹ = 64480425203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64480425203) by changing a digit.

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, 199725 + ... + 410914.

It is an arithmetic number, because the mean of its divisors is an integer number (3759099840).

Almost surely, 2^64480425205 is an apocalyptic number.

It is an amenable number.

64480425205 is a deficient number, since it is larger than the sum of its proper divisors (25737970955).

64480425205 is a wasteful number, since it uses less digits than its factorization.

64480425205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611089 (or 611082 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 64480425205 in words is "sixty-four billion, four hundred eighty million, four hundred twenty-five thousand, two hundred five".