564441144465 has 16 divisors (see below), whose sum is σ = 985206361536. Its totient is φ = 273668433600.

The previous prime is 564441144461. The next prime is 564441144469.

564441144465 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (564441144461) and next prime (564441144469).

It is not a de Polignac number, because 564441144465 - 2² = 564441144461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (564441144461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710427546 + ... + 1710427875.

It is an arithmetic number, because the mean of its divisors is an integer number (61575397596).

Almost surely, 2^564441144465 is an apocalyptic number.

564441144465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564441144465 is a deficient number, since it is larger than the sum of its proper divisors (420765217071).

564441144465 is a wasteful number, since it uses less digits than its factorization.

564441144465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420855440.

The product of its digits is 3686400, while the sum is 48.

The spelling of 564441144465 in words is "five hundred sixty-four billion, four hundred forty-one million, one hundred forty-four thousand, four hundred sixty-five".