5636078561 has 8 divisors (see below), whose sum is σ = 5970304224. Its totient is φ = 5302152000.

The previous prime is 5636078549. The next prime is 5636078579. The reversal of 5636078561 is 1658706365.

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 5636078561 - 2²⁶ = 5568969697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5636077561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35375 + ... + 111908.

It is an arithmetic number, because the mean of its divisors is an integer number (746288028).

Almost surely, 2^5636078561 is an apocalyptic number.

It is an amenable number.

5636078561 is a deficient number, since it is larger than the sum of its proper divisors (334225663).

5636078561 is a wasteful number, since it uses less digits than its factorization.

5636078561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149551.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 5636078561 is about 75073.8207433190. The cubic root of 5636078561 is about 1779.6134498116.

The spelling of 5636078561 in words is "five billion, six hundred thirty-six million, seventy-eight thousand, five hundred sixty-one".