2928435689 has 4 divisors (see below), whose sum is σ = 3029416260. Its totient is φ = 2827455120.

The previous prime is 2928435649. The next prime is 2928435733. The reversal of 2928435689 is 9865348292.

2928435689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 538008025 + 2390427664 = 23195^2 + 48892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928435689 - 2¹⁶ = 2928370153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2928435649) 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, 50490242 + ... + 50490299.

It is an arithmetic number, because the mean of its divisors is an integer number (757354065).

Almost surely, 2^2928435689 is an apocalyptic number.

2928435689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2928435689 is a deficient number, since it is larger than the sum of its proper divisors (100980571).

2928435689 is a wasteful number, since it uses less digits than its factorization.

2928435689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100980570.

The product of its digits is 7464960, while the sum is 56.

The square root of 2928435689 is about 54115.0227663262. The cubic root of 2928435689 is about 1430.6889745660.

The spelling of 2928435689 in words is "two billion, nine hundred twenty-eight million, four hundred thirty-five thousand, six hundred eighty-nine".