64522186462345 has 12 divisors (see below), whose sum is σ = 77942778745860. Its totient is φ = 51275909680800.

The previous prime is 64522186462333. The next prime is 64522186462351. The reversal of 64522186462345 is 54326468122546.

It can be written as a sum of positive squares in 2 ways, for example, as 36871163498569 + 27651022963776 = 6072163^2 + 5258424^2 .

It is not a de Polignac number, because 64522186462345 - 2¹⁹ = 64522185938057 is a prime.

It is a super-2 number, since 2×64522186462345² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64522186462345.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282865630 + ... + 283093639.

It is an arithmetic number, because the mean of its divisors is an integer number (6495231562155).

Almost surely, 2^{64522186462345} is an apocalyptic number.

It is an amenable number.

64522186462345 is a deficient number, since it is larger than the sum of its proper divisors (13420592283515).

64522186462345 is an equidigital number, since it uses as much as digits as its factorization.

64522186462345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565959576 (or 565959425 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 58.

The spelling of 64522186462345 in words is "sixty-four trillion, five hundred twenty-two billion, one hundred eighty-six million, four hundred sixty-two thousand, three hundred forty-five".