4087428489 has 27 divisors (see below), whose sum is σ = 5991493287. Its totient is φ = 2685186000.

The previous prime is 4087428467. The next prime is 4087428503. The reversal of 4087428489 is 9848247804.

The square root of 4087428489 is 63933.

It is a perfect power (a square), and thus also a powerful number.

4087428489 is a `hidden beast` number, since 40 + 87 + 42 + 8 + 489 = 666.

4087428489 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3927152889 + 160275600 = 62667^2 + 12660^2 .

It is not a de Polignac number, because 4087428489 - 2⁷ = 4087428361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4087428419) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19371594 + ... + 19371804.

Almost surely, 2^4087428489 is an apocalyptic number.

4087428489 is the 63933-rd square number.

4087428489 is the 31967-th centered octagonal number.

It is an amenable number.

4087428489 is a deficient number, since it is larger than the sum of its proper divisors (1904064798).

4087428489 is an equidigital number, since it uses as much as digits as its factorization.

4087428489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The cubic root of 4087428489 is about 1598.8831384076.

The spelling of 4087428489 in words is "four billion, eighty-seven million, four hundred twenty-eight thousand, four hundred eighty-nine".