564607706465 has 16 divisors (see below), whose sum is σ = 739140883776. Its totient is φ = 410613748800.

The previous prime is 564607706461. The next prime is 564607706489.

564607706465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564607706465 - 2² = 564607706461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 564607706465.

It is not an unprimeable number, because it can be changed into a prime (564607706461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2730614 + ... + 2930096.

It is an arithmetic number, because the mean of its divisors is an integer number (46196305236).

Almost surely, 2^564607706465 is an apocalyptic number.

564607706465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564607706465 is a deficient number, since it is larger than the sum of its proper divisors (174533177311).

564607706465 is a wasteful number, since it uses less digits than its factorization.

564607706465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250960.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 564607706465 in words is "five hundred sixty-four billion, six hundred seven million, seven hundred six thousand, four hundred sixty-five".