64229427684684 has 216 divisors, whose sum is σ = 168742671709248. Its totient is φ = 20598719339520.

The previous prime is 64229427684649. The next prime is 64229427684691. The reversal of 64229427684684 is 48648672492246.

64229427684684 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 94 + 2 + 76 + 8 + 468 + 4 = 666.

It is a super-3 number, since 3×64229427684684³ (a number of 42 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13009806664 + ... + 13009811600.

It is an arithmetic number, because the mean of its divisors is an integer number (781216072728).

Almost surely, 2^{64229427684684} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64229427684684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84371335854624).

64229427684684 is an abundant number, since it is smaller than the sum of its proper divisors (104513244024564).

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

64229427684684 is a wasteful number, since it uses less digits than its factorization.

64229427684684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433 (or 6399 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 72.

The spelling of 64229427684684 in words is "sixty-four trillion, two hundred twenty-nine billion, four hundred twenty-seven million, six hundred eighty-four thousand, six hundred eighty-four".