9814000561 has 4 divisors (see below), whose sum is σ = 9860512624. Its totient is φ = 9767488500.

The previous prime is 9814000549. The next prime is 9814000579. The reversal of 9814000561 is 1650004189.

9814000561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1650004189 = 61 ⋅27049249.

It is a cyclic number.

It is not a de Polignac number, because 9814000561 - 2⁵ = 9814000529 is a prime.

It is a super-2 number, since 2×9814000561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9814000961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23255715 + ... + 23256136.

It is an arithmetic number, because the mean of its divisors is an integer number (2465128156).

Almost surely, 2^9814000561 is an apocalyptic number.

9814000561 is the 44304-th centered decagonal number.

It is an amenable number.

9814000561 is a deficient number, since it is larger than the sum of its proper divisors (46512063).

9814000561 is a wasteful number, since it uses less digits than its factorization.

9814000561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46512062.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 9814000561 is about 99065.6376399001. The cubic root of 9814000561 is about 2140.9935527510.

The spelling of 9814000561 in words is "nine billion, eight hundred fourteen million, five hundred sixty-one", and thus it is an aban number.