564544343445465 has 8 divisors (see below), whose sum is σ = 903270949512768. Its totient is φ = 301090316504240.

The previous prime is 564544343445461. The next prime is 564544343445491.

It is a happy number.

564544343445465 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 564544343445465 - 2² = 564544343445461 is a prime.

It is a super-2 number, since 2×564544343445465² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564544343445396 and 564544343445405.

It is not an unprimeable number, because it can be changed into a prime (564544343445461) 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, 18818144781501 + ... + 18818144781530.

It is an arithmetic number, because the mean of its divisors is an integer number (112908868689096).

Almost surely, 2^{564544343445465} is an apocalyptic number.

It is an amenable number.

564544343445465 is a deficient number, since it is larger than the sum of its proper divisors (338726606067303).

564544343445465 is a wasteful number, since it uses less digits than its factorization.

564544343445465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37636289563039.

The product of its digits is 3317760000, while the sum is 66.

The spelling of 564544343445465 in words is "five hundred sixty-four trillion, five hundred forty-four billion, three hundred forty-three million, four hundred forty-five thousand, four hundred sixty-five".