64675622471 has 8 divisors (see below), whose sum is σ = 64968683280. Its totient is φ = 64382654592.

The previous prime is 64675622467. The next prime is 64675622483. The reversal of 64675622471 is 17422657646.

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

It is a cyclic number.

It is not a de Polignac number, because 64675622471 - 2² = 64675622467 is a prime.

It is a super-3 number, since 3×64675622471³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64675622441) 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 7 ways as a sum of consecutive naturals, for example, 1639151 + ... + 1678143.

It is an arithmetic number, because the mean of its divisors is an integer number (8121085410).

Almost surely, 2^64675622471 is an apocalyptic number.

64675622471 is a deficient number, since it is larger than the sum of its proper divisors (293060809).

64675622471 is a wasteful number, since it uses less digits than its factorization.

64675622471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46465.

The product of its digits is 3386880, while the sum is 50.

The spelling of 64675622471 in words is "sixty-four billion, six hundred seventy-five million, six hundred twenty-two thousand, four hundred seventy-one".