64522856189463 has 64 divisors (see below), whose sum is σ = 101240309237760. Its totient is φ = 35784645120000.

The previous prime is 64522856189461. The next prime is 64522856189489. The reversal of 64522856189463 is 36498165822546.

It is not a de Polignac number, because 64522856189463 - 2¹ = 64522856189461 is a prime.

It is a super-2 number, since 2×64522856189463² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522856189461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2966420838 + ... + 2966442588.

It is an arithmetic number, because the mean of its divisors is an integer number (1581879831840).

Almost surely, 2^{64522856189463} is an apocalyptic number.

64522856189463 is a deficient number, since it is larger than the sum of its proper divisors (36717453048297).

64522856189463 is a wasteful number, since it uses less digits than its factorization.

64522856189463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39488.

The product of its digits is 597196800, while the sum is 69.

The spelling of 64522856189463 in words is "sixty-four trillion, five hundred twenty-two billion, eight hundred fifty-six million, one hundred eighty-nine thousand, four hundred sixty-three".