64488406695 has 32 divisors (see below), whose sum is σ = 105954260160. Its totient is φ = 33481175040.

The previous prime is 64488406681. The next prime is 64488406699. The reversal of 64488406695 is 59660488446.

It is not a de Polignac number, because 64488406695 - 2⁸ = 64488406439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64488406699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274540 + ... + 452049.

It is an arithmetic number, because the mean of its divisors is an integer number (3311070630).

Almost surely, 2^64488406695 is an apocalyptic number.

64488406695 is a deficient number, since it is larger than the sum of its proper divisors (41465853465).

64488406695 is a wasteful number, since it uses less digits than its factorization.

64488406695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726755.

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 64488406695 in words is "sixty-four billion, four hundred eighty-eight million, four hundred six thousand, six hundred ninety-five".