205871488946 has 8 divisors (see below), whose sum is σ = 322233634944. Its totient is φ = 98460277300.

The previous prime is 205871488939. The next prime is 205871488957. The reversal of 205871488946 is 649884178502.

205871488946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 2237733530 + ... + 2237733621.

It is an arithmetic number, because the mean of its divisors is an integer number (40279204368).

Almost surely, 2^205871488946 is an apocalyptic number.

205871488946 is a deficient number, since it is larger than the sum of its proper divisors (116362145998).

205871488946 is a wasteful number, since it uses less digits than its factorization.

205871488946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475467176.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 205871488946 in words is "two hundred five billion, eight hundred seventy-one million, four hundred eighty-eight thousand, nine hundred forty-six".