2028589051 has 4 divisors (see below), whose sum is σ = 2028679704. Its totient is φ = 2028498400.

The previous prime is 2028589049. The next prime is 2028589109. The reversal of 2028589051 is 1509858202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1509858202 = 2 ⋅754929101.

It is a cyclic number.

It is not a de Polignac number, because 2028589051 - 2¹ = 2028589049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2028588995 and 2028589013.

It is not an unprimeable number, because it can be changed into a prime (2028586051) 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, 15036 + ... + 65446.

It is an arithmetic number, because the mean of its divisors is an integer number (507169926).

Almost surely, 2^2028589051 is an apocalyptic number.

2028589051 is a deficient number, since it is larger than the sum of its proper divisors (90653).

2028589051 is an equidigital number, since it uses as much as digits as its factorization.

2028589051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90652.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 2028589051 is about 45039.8606902819. The cubic root of 2028589051 is about 1265.8959945489.

The spelling of 2028589051 in words is "two billion, twenty-eight million, five hundred eighty-nine thousand, fifty-one".