216104503819 has 2 divisors, whose sum is σ = 216104503820. Its totient is φ = 216104503818.

The previous prime is 216104503801. The next prime is 216104503903. The reversal of 216104503819 is 918305401612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216104503819 - 2⁵ = 216104503787 is a prime.

It is a super-2 number, since 2×216104503819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216104503019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108052251909 + 108052251910.

It is an arithmetic number, because the mean of its divisors is an integer number (108052251910).

Almost surely, 2^216104503819 is an apocalyptic number.

216104503819 is a deficient number, since it is larger than the sum of its proper divisors (1).

216104503819 is an equidigital number, since it uses as much as digits as its factorization.

216104503819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 216104503819 in words is "two hundred sixteen billion, one hundred four million, five hundred three thousand, eight hundred nineteen".