4512457889 has 8 divisors (see below), whose sum is σ = 4531474920. Its totient is φ = 4493462400.

The previous prime is 4512457879. The next prime is 4512457979. The reversal of 4512457889 is 9887542154.

It can be written as a sum of positive squares in 4 ways, for example, as 273406225 + 4239051664 = 16535^2 + 65108^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4512457889 - 2³² = 217490593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4512457889.

It is not an unprimeable number, because it can be changed into a prime (4512457819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518627 + ... + 527255.

It is an arithmetic number, because the mean of its divisors is an integer number (566434365).

Almost surely, 2^4512457889 is an apocalyptic number.

It is an amenable number.

4512457889 is a deficient number, since it is larger than the sum of its proper divisors (19017031).

4512457889 is a wasteful number, since it uses less digits than its factorization.

4512457889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771.

The product of its digits is 3225600, while the sum is 53.

The square root of 4512457889 is about 67174.8307701627. The cubic root of 4512457889 is about 1652.4857408080.

The spelling of 4512457889 in words is "four billion, five hundred twelve million, four hundred fifty-seven thousand, eight hundred eighty-nine".