8561546401 has 8 divisors (see below), whose sum is σ = 8640354240. Its totient is φ = 8482984752.

The previous prime is 8561546387. The next prime is 8561546417. The reversal of 8561546401 is 1046451658.

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

It is a cyclic number.

It is not a de Polignac number, because 8561546401 - 2¹⁷ = 8561415329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8561546501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8691 + ... + 131143.

It is an arithmetic number, because the mean of its divisors is an integer number (1080044280).

Almost surely, 2^8561546401 is an apocalyptic number.

It is an amenable number.

8561546401 is a deficient number, since it is larger than the sum of its proper divisors (78807839).

8561546401 is a wasteful number, since it uses less digits than its factorization.

8561546401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123095.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 8561546401 is about 92528.6247655286. The cubic root of 8561546401 is about 2045.7414193815.

The spelling of 8561546401 in words is "eight billion, five hundred sixty-one million, five hundred forty-six thousand, four hundred one".