564447262744465 has 4 divisors (see below), whose sum is σ = 677336715293364. Its totient is φ = 451557810195568.

The previous prime is 564447262744427. The next prime is 564447262744471.

564447262744465 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104542424710801 + 459904838033664 = 10224599^2 + 21445392^2 .

It is a cyclic number.

It is not a de Polignac number, because 564447262744465 - 2³⁵ = 564412903006097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564447262744394 and 564447262744403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56444726274442 + ... + 56444726274451.

It is an arithmetic number, because the mean of its divisors is an integer number (169334178823341).

Almost surely, 2^{564447262744465} is an apocalyptic number.

It is an amenable number.

564447262744465 is a deficient number, since it is larger than the sum of its proper divisors (112889452548899).

564447262744465 is a wasteful number, since it uses less digits than its factorization.

564447262744465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112889452548898.

The product of its digits is 4335206400, while the sum is 70.

The spelling of 564447262744465 in words is "five hundred sixty-four trillion, four hundred forty-seven billion, two hundred sixty-two million, seven hundred forty-four thousand, four hundred sixty-five".