206273967493 has 24 divisors (see below), whose sum is σ = 231657229440. Its totient is φ = 183450907200.

The previous prime is 206273967479. The next prime is 206273967521. The reversal of 206273967493 is 394769372602.

It is not a de Polignac number, because 206273967493 - 2²⁵ = 206240413061 is a prime.

It is a super-3 number, since 3×206273967493³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206273967463) 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 in 23 ways as a sum of consecutive naturals, for example, 15513178 + ... + 15526468.

It is an arithmetic number, because the mean of its divisors is an integer number (9652384560).

Almost surely, 2^206273967493 is an apocalyptic number.

It is an amenable number.

206273967493 is a deficient number, since it is larger than the sum of its proper divisors (25383261947).

206273967493 is a wasteful number, since it uses less digits than its factorization.

206273967493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16089 (or 16078 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 58.

The spelling of 206273967493 in words is "two hundred six billion, two hundred seventy-three million, nine hundred sixty-seven thousand, four hundred ninety-three".