2289771485 has 8 divisors (see below), whose sum is σ = 2814743736. Its totient is φ = 1787138560.

The previous prime is 2289771481. The next prime is 2289771487. The reversal of 2289771485 is 5841779822.

It can be written as a sum of positive squares in 4 ways, for example, as 12859396 + 2276912089 = 3586^2 + 47717^2 .

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

It is not a de Polignac number, because 2289771485 - 2² = 2289771481 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 (2289771481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5584604 + ... + 5585013.

It is an arithmetic number, because the mean of its divisors is an integer number (351842967).

Almost surely, 2^2289771485 is an apocalyptic number.

It is an amenable number.

2289771485 is a deficient number, since it is larger than the sum of its proper divisors (524972251).

2289771485 is a wasteful number, since it uses less digits than its factorization.

2289771485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169663.

The product of its digits is 2257920, while the sum is 53.

The square root of 2289771485 is about 47851.5567667344. The cubic root of 2289771485 is about 1318.0464454409.

The spelling of 2289771485 in words is "two billion, two hundred eighty-nine million, seven hundred seventy-one thousand, four hundred eighty-five".