2056653289 has 4 divisors (see below), whose sum is σ = 2056850320. Its totient is φ = 2056456260.

The previous prime is 2056653253. The next prime is 2056653317. The reversal of 2056653289 is 9823566502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2056653289 - 2¹⁷ = 2056522217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056653089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81927 + ... + 104044.

It is an arithmetic number, because the mean of its divisors is an integer number (514212580).

Almost surely, 2^2056653289 is an apocalyptic number.

It is an amenable number.

2056653289 is a deficient number, since it is larger than the sum of its proper divisors (197031).

2056653289 is a wasteful number, since it uses less digits than its factorization.

2056653289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197030.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 2056653289 is about 45350.3394584870. The cubic root of 2056653289 is about 1271.7069013465.

The spelling of 2056653289 in words is "two billion, fifty-six million, six hundred fifty-three thousand, two hundred eighty-nine".