203413505268 has 12 divisors (see below), whose sum is σ = 474631512320. Its totient is φ = 67804501752.

The previous prime is 203413505257. The next prime is 203413505293. The reversal of 203413505268 is 862505314302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8475562708 + ... + 8475562731.

Almost surely, 2^203413505268 is an apocalyptic number.

It is an amenable number.

203413505268 is an abundant number, since it is smaller than the sum of its proper divisors (271218007052).

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

203413505268 is a wasteful number, since it uses less digits than its factorization.

203413505268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16951125446 (or 16951125444 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 203413505268 in words is "two hundred three billion, four hundred thirteen million, five hundred five thousand, two hundred sixty-eight".