636056063 has 4 divisors (see below), whose sum is σ = 642613440. Its totient is φ = 629498688.

The previous prime is 636056023. The next prime is 636056107. The reversal of 636056063 is 360650636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 636056063 - 2¹² = 636051967 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 (636056023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278543 + ... + 3278736.

It is an arithmetic number, because the mean of its divisors is an integer number (160653360).

Almost surely, 2^636056063 is an apocalyptic number.

636056063 is a deficient number, since it is larger than the sum of its proper divisors (6557377).

636056063 is an equidigital number, since it uses as much as digits as its factorization.

636056063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557376.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 636056063 is about 25220.1519226193. The cubic root of 636056063 is about 860.0000283937. Note that the first 4 decimals are identical.

The spelling of 636056063 in words is "six hundred thirty-six million, fifty-six thousand, sixty-three".