21163353046404 has 12 divisors (see below), whose sum is σ = 49381157108304. Its totient is φ = 7054451015464.

The previous prime is 21163353046373. The next prime is 21163353046427. The reversal of 21163353046404 is 40464035336112.

21163353046404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

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, 881806376922 + ... + 881806376945.

It is an arithmetic number, because the mean of its divisors is an integer number (4115096425692).

Almost surely, 2^{21163353046404} is an apocalyptic number.

It is an amenable number.

21163353046404 is an abundant number, since it is smaller than the sum of its proper divisors (28217804061900).

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

21163353046404 is a wasteful number, since it uses less digits than its factorization.

21163353046404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763612753874 (or 1763612753872 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 21163353046404 in words is "twenty-one trillion, one hundred sixty-three billion, three hundred fifty-three million, forty-six thousand, four hundred four".