985204588099 has 2 divisors, whose sum is σ = 985204588100. Its totient is φ = 985204588098.

The previous prime is 985204588033. The next prime is 985204588253. The reversal of 985204588099 is 990885402589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985204588099 - 2³⁷ = 847765634627 is a prime.

It is a super-2 number, since 2×985204588099² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (985204588019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492602294049 + 492602294050.

It is an arithmetic number, because the mean of its divisors is an integer number (492602294050).

Almost surely, 2^985204588099 is an apocalyptic number.

985204588099 is a deficient number, since it is larger than the sum of its proper divisors (1).

985204588099 is an equidigital number, since it uses as much as digits as its factorization.

985204588099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74649600, while the sum is 67.

The spelling of 985204588099 in words is "nine hundred eighty-five billion, two hundred four million, five hundred eighty-eight thousand, ninety-nine".