216207036776293 has 2 divisors, whose sum is σ = 216207036776294. Its totient is φ = 216207036776292.

The previous prime is 216207036776261. The next prime is 216207036776369. The reversal of 216207036776293 is 392677630702612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202948459016004 + 13258577760289 = 14245998^2 + 3641233^2 .

It is a cyclic number.

It is not a de Polignac number, because 216207036776293 - 2⁵ = 216207036776261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216207036776243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108103518388146 + 108103518388147.

It is an arithmetic number, because the mean of its divisors is an integer number (108103518388147).

Almost surely, 2^{216207036776293} is an apocalyptic number.

It is an amenable number.

216207036776293 is a deficient number, since it is larger than the sum of its proper divisors (1).

216207036776293 is an equidigital number, since it uses as much as digits as its factorization.

216207036776293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 216207036776293 in words is "two hundred sixteen trillion, two hundred seven billion, thirty-six million, seven hundred seventy-six thousand, two hundred ninety-three".