206938419522 has 16 divisors (see below), whose sum is σ = 414180952992. Its totient is φ = 68928787520.

The previous prime is 206938419503. The next prime is 206938419533. The reversal of 206938419522 is 225914839602.

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, 12662568 + ... + 12678899.

It is an arithmetic number, because the mean of its divisors is an integer number (25886309562).

Almost surely, 2^206938419522 is an apocalyptic number.

206938419522 is an abundant number, since it is smaller than the sum of its proper divisors (207242533470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206938419522 is a wasteful number, since it uses less digits than its factorization.

206938419522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25342833.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 206938419522 in words is "two hundred six billion, nine hundred thirty-eight million, four hundred nineteen thousand, five hundred twenty-two".