564746647465 has 192 divisors, whose sum is σ = 943776852480. Its totient is φ = 321507648000.

The previous prime is 564746647463. The next prime is 564746647523.

It is a happy number.

564746647465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564746647465 - 2¹ = 564746647463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564746647397 and 564746647406.

It is not an unprimeable number, because it can be changed into a prime (564746647463) 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 191 ways as a sum of consecutive naturals, for example, 428162076 + ... + 428163394.

It is an arithmetic number, because the mean of its divisors is an integer number (4915504440).

Almost surely, 2^564746647465 is an apocalyptic number.

564746647465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564746647465 is a deficient number, since it is larger than the sum of its proper divisors (379030205015).

564746647465 is a wasteful number, since it uses less digits than its factorization.

564746647465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1456 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 64.

The spelling of 564746647465 in words is "five hundred sixty-four billion, seven hundred forty-six million, six hundred forty-seven thousand, four hundred sixty-five".