216004613401 has 2 divisors, whose sum is σ = 216004613402. Its totient is φ = 216004613400.

The previous prime is 216004613387. The next prime is 216004613431. The reversal of 216004613401 is 104316400612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190314935001 + 25689678400 = 436251^2 + 160280^2 .

It is a cyclic number.

It is not a de Polignac number, because 216004613401 - 2¹⁷ = 216004482329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216004613401.

It is not a weakly prime, because it can be changed into another prime (216004613431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108002306700 + 108002306701.

It is an arithmetic number, because the mean of its divisors is an integer number (108002306701).

Almost surely, 2^216004613401 is an apocalyptic number.

It is an amenable number.

216004613401 is a deficient number, since it is larger than the sum of its proper divisors (1).

216004613401 is an equidigital number, since it uses as much as digits as its factorization.

216004613401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 216004613401 in words is "two hundred sixteen billion, four million, six hundred thirteen thousand, four hundred one".