636329812103 has 2 divisors, whose sum is σ = 636329812104. Its totient is φ = 636329812102.

The previous prime is 636329812081. The next prime is 636329812121. The reversal of 636329812103 is 301218923636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 636329812103 - 2⁸ = 636329811847 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636329812403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318164906051 + 318164906052.

It is an arithmetic number, because the mean of its divisors is an integer number (318164906052).

Almost surely, 2^636329812103 is an apocalyptic number.

636329812103 is a deficient number, since it is larger than the sum of its proper divisors (1).

636329812103 is an equidigital number, since it uses as much as digits as its factorization.

636329812103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 636329812103 in words is "six hundred thirty-six billion, three hundred twenty-nine million, eight hundred twelve thousand, one hundred three".