5636065421 has 16 divisors (see below), whose sum is σ = 6599491200. Its totient is φ = 4713229248.

The previous prime is 5636065417. The next prime is 5636065433. The reversal of 5636065421 is 1245606365.

It is a happy number.

It is not a de Polignac number, because 5636065421 - 2² = 5636065417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636065411) 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 15 ways as a sum of consecutive naturals, for example, 23975 + ... + 108843.

It is an arithmetic number, because the mean of its divisors is an integer number (412468200).

Almost surely, 2^5636065421 is an apocalyptic number.

It is an amenable number.

5636065421 is a deficient number, since it is larger than the sum of its proper divisors (963425779).

5636065421 is a wasteful number, since it uses less digits than its factorization.

5636065421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85108.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5636065421 is about 75073.7332294059. The cubic root of 5636065421 is about 1779.6120668087.

The spelling of 5636065421 in words is "five billion, six hundred thirty-six million, sixty-five thousand, four hundred twenty-one".