205350451406 has 8 divisors (see below), whose sum is σ = 326144834640. Its totient is φ = 96635506528.

The previous prime is 205350451393. The next prime is 205350451433. The reversal of 205350451406 is 604154053502.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3019859546 + ... + 3019859613.

It is an arithmetic number, because the mean of its divisors is an integer number (40768104330).

Almost surely, 2^205350451406 is an apocalyptic number.

205350451406 is a deficient number, since it is larger than the sum of its proper divisors (120794383234).

205350451406 is a wasteful number, since it uses less digits than its factorization.

205350451406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039719178.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 205350451406 in words is "two hundred five billion, three hundred fifty million, four hundred fifty-one thousand, four hundred six".