406636063 has 2 divisors, whose sum is σ = 406636064. Its totient is φ = 406636062.

The previous prime is 406636019. The next prime is 406636117. The reversal of 406636063 is 360636604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406636063 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406639063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203318031 + 203318032.

It is an arithmetic number, because the mean of its divisors is an integer number (203318032).

Almost surely, 2^406636063 is an apocalyptic number.

406636063 is a deficient number, since it is larger than the sum of its proper divisors (1).

406636063 is an equidigital number, since it uses as much as digits as its factorization.

406636063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 406636063 is about 20165.2191408871. The cubic root of 406636063 is about 740.8585500286.

The spelling of 406636063 in words is "four hundred six million, six hundred thirty-six thousand, sixty-three".