216844031059 has 2 divisors, whose sum is σ = 216844031060. Its totient is φ = 216844031058.

The previous prime is 216844031011. The next prime is 216844031069. The reversal of 216844031059 is 950130448612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216844031059 - 2¹⁹ = 216843506771 is a prime.

It is a super-2 number, since 2×216844031059² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216844031009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108422015529 + 108422015530.

It is an arithmetic number, because the mean of its divisors is an integer number (108422015530).

Almost surely, 2^216844031059 is an apocalyptic number.

216844031059 is a deficient number, since it is larger than the sum of its proper divisors (1).

216844031059 is an equidigital number, since it uses as much as digits as its factorization.

216844031059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 216844031059 in words is "two hundred sixteen billion, eight hundred forty-four million, thirty-one thousand, fifty-nine".