2153217044 has 12 divisors (see below), whose sum is σ = 4110687168. Its totient is φ = 978735000.

The previous prime is 2153217023. The next prime is 2153217083. The reversal of 2153217044 is 4407123512.

It is a junction number, because it is equal to n+sod(n) for n = 2153216998 and 2153217016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24468332 + ... + 24468419.

It is an arithmetic number, because the mean of its divisors is an integer number (342557264).

Almost surely, 2^2153217044 is an apocalyptic number.

It is an amenable number.

2153217044 is a deficient number, since it is larger than the sum of its proper divisors (1957470124).

2153217044 is a wasteful number, since it uses less digits than its factorization.

2153217044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48936766 (or 48936764 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2153217044 is about 46402.7697880202. The cubic root of 2153217044 is about 1291.3062992877.

The spelling of 2153217044 in words is "two billion, one hundred fifty-three million, two hundred seventeen thousand, forty-four".