64452643622 has 8 divisors (see below), whose sum is σ = 97327818000. Its totient is φ = 32010037624.

The previous prime is 64452643589. The next prime is 64452643639. The reversal of 64452643622 is 22634625446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108141722 + ... + 108142317.

It is an arithmetic number, because the mean of its divisors is an integer number (12165977250).

Almost surely, 2^64452643622 is an apocalyptic number.

64452643622 is a deficient number, since it is larger than the sum of its proper divisors (32875174378).

64452643622 is a wasteful number, since it uses less digits than its factorization.

64452643622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216284190.

The product of its digits is 1658880, while the sum is 44.

The spelling of 64452643622 in words is "sixty-four billion, four hundred fifty-two million, six hundred forty-three thousand, six hundred twenty-two".