206384423458 has 16 divisors (see below), whose sum is σ = 311660114616. Its totient is φ = 102498845440.

The previous prime is 206384423447. The next prime is 206384423473. The reversal of 206384423458 is 854324483602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 206376678369 + 7745089 = 454287^2 + 2783^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86010 + ... + 648202.

Almost surely, 2^206384423458 is an apocalyptic number.

206384423458 is a deficient number, since it is larger than the sum of its proper divisors (105275691158).

206384423458 is a wasteful number, since it uses less digits than its factorization.

206384423458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563429.

The product of its (nonzero) digits is 4423680, while the sum is 49.

The spelling of 206384423458 in words is "two hundred six billion, three hundred eighty-four million, four hundred twenty-three thousand, four hundred fifty-eight".