2428061489 has 4 divisors (see below), whose sum is σ = 2774927424. Its totient is φ = 2081195556.

The previous prime is 2428061483. The next prime is 2428061491. The reversal of 2428061489 is 9841608242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9841608242 = 2 ⋅4920804121.

It is a cyclic number.

It is not a de Polignac number, because 2428061489 - 2²⁴ = 2411284273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428061483) 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, 173432957 + ... + 173432970.

It is an arithmetic number, because the mean of its divisors is an integer number (693731856).

Almost surely, 2^2428061489 is an apocalyptic number.

It is an amenable number.

2428061489 is a deficient number, since it is larger than the sum of its proper divisors (346865935).

2428061489 is an equidigital number, since it uses as much as digits as its factorization.

2428061489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346865934.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 2428061489 is about 49275.3639154497. The cubic root of 2428061489 is about 1344.0638287622.

The spelling of 2428061489 in words is "two billion, four hundred twenty-eight million, sixty-one thousand, four hundred eighty-nine".