206453049028 has 12 divisors (see below), whose sum is σ = 361306712592. Its totient is φ = 103222559720.

The previous prime is 206453049013. The next prime is 206453049091. The reversal of 206453049028 is 820940354602.

It is a super-2 number, since 2×206453049028² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872458 + ... + 1083553.

It is an arithmetic number, because the mean of its divisors is an integer number (30108892716).

Almost surely, 2^206453049028 is an apocalyptic number.

It is an amenable number.

206453049028 is a deficient number, since it is larger than the sum of its proper divisors (154853663564).

206453049028 is a wasteful number, since it uses less digits than its factorization.

206453049028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982402 (or 1982400 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 206453049028 in words is "two hundred six billion, four hundred fifty-three million, forty-nine thousand, twenty-eight".