2428021589 has 6 divisors (see below), whose sum is σ = 2824433334. Its totient is φ = 2081161320.

The previous prime is 2428021573. The next prime is 2428021597. The reversal of 2428021589 is 9851208242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2170162225 + 257859364 = 46585^2 + 16058^2 .

It is not a de Polignac number, because 2428021589 - 2⁴ = 2428021573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428021489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24775682 + ... + 24775779.

It is an arithmetic number, because the mean of its divisors is an integer number (470738889).

Almost surely, 2^2428021589 is an apocalyptic number.

It is an amenable number.

2428021589 is a deficient number, since it is larger than the sum of its proper divisors (396411745).

2428021589 is an equidigital number, since it uses as much as digits as its factorization.

2428021589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49551475 (or 49551468 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2428021589 is about 49274.9590461524. The cubic root of 2428021589 is about 1344.0564664499.

The spelling of 2428021589 in words is "two billion, four hundred twenty-eight million, twenty-one thousand, five hundred eighty-nine".