8533656401 has 4 divisors (see below), whose sum is σ = 8741794404. Its totient is φ = 8325518400.

The previous prime is 8533656361. The next prime is 8533656451. The reversal of 8533656401 is 1046563358.

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 4924530625 + 3609125776 = 70175^2 + 60076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8533656401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 208137961 = 8533656401 / (8 + 5 + 3 + 3 + 6 + 5 + 6 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8533656451) 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, 104068940 + ... + 104069021.

It is an arithmetic number, because the mean of its divisors is an integer number (2185448601).

Almost surely, 2^8533656401 is an apocalyptic number.

It is an amenable number.

8533656401 is a deficient number, since it is larger than the sum of its proper divisors (208138003).

8533656401 is a wasteful number, since it uses less digits than its factorization.

8533656401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208138002.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 8533656401 is about 92377.7917088301. The cubic root of 8533656401 is about 2043.5176079116.

The spelling of 8533656401 in words is "eight billion, five hundred thirty-three million, six hundred fifty-six thousand, four hundred one".