564740530671 has 4 divisors (see below), whose sum is σ = 752987374232. Its totient is φ = 376493687112.

The previous prime is 564740530667. The next prime is 564740530699. The reversal of 564740530671 is 176035047465.

It is a happy number.

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

It is not a de Polignac number, because 564740530671 - 2² = 564740530667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564740530671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564740530171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94123421776 + ... + 94123421781.

It is an arithmetic number, because the mean of its divisors is an integer number (188246843558).

Almost surely, 2^564740530671 is an apocalyptic number.

564740530671 is a deficient number, since it is larger than the sum of its proper divisors (188246843561).

564740530671 is a wasteful number, since it uses less digits than its factorization.

564740530671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188246843560.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 564740530671 in words is "five hundred sixty-four billion, seven hundred forty million, five hundred thirty thousand, six hundred seventy-one".