64395696332 has 48 divisors (see below), whose sum is σ = 130197134592. Its totient is φ = 27580217280.

The previous prime is 64395696293. The next prime is 64395696341. The reversal of 64395696332 is 23369659346.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 407063 + ... + 542670.

It is an arithmetic number, because the mean of its divisors is an integer number (2712440304).

Almost surely, 2^64395696332 is an apocalyptic number.

It is an amenable number.

64395696332 is an abundant number, since it is smaller than the sum of its proper divisors (65801438260).

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

64395696332 is a wasteful number, since it uses less digits than its factorization.

64395696332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949838 (or 949836 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 56.

The spelling of 64395696332 in words is "sixty-four billion, three hundred ninety-five million, six hundred ninety-six thousand, three hundred thirty-two".