560969781 has 8 divisors (see below), whose sum is σ = 748279584. Its totient is φ = 373819920.

The previous prime is 560969771. The next prime is 560969789. The reversal of 560969781 is 187969065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 560969781 - 2¹⁰ = 560968757 is a prime.

It is a super-2 number, since 2×560969781² = 629374190390375922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560969789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31546 + ... + 46011.

It is an arithmetic number, because the mean of its divisors is an integer number (93534948).

Almost surely, 2^560969781 is an apocalyptic number.

It is an amenable number.

560969781 is a deficient number, since it is larger than the sum of its proper divisors (187309803).

560969781 is a wasteful number, since it uses less digits than its factorization.

560969781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79971.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 560969781 is about 23684.8006324731. The cubic root of 560969781 is about 824.7325884466.

The spelling of 560969781 in words is "five hundred sixty million, nine hundred sixty-nine thousand, seven hundred eighty-one".