2445489521 has 8 divisors (see below), whose sum is σ = 2466155520. Its totient is φ = 2424845808.

The previous prime is 2445489517. The next prime is 2445489523. The reversal of 2445489521 is 1259845442.

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 2445489521 - 2² = 2445489517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2445489523) 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, 272315 + ... + 281151.

It is an arithmetic number, because the mean of its divisors is an integer number (308269440).

Almost surely, 2^2445489521 is an apocalyptic number.

It is an amenable number.

2445489521 is a deficient number, since it is larger than the sum of its proper divisors (20665999).

2445489521 is a wasteful number, since it uses less digits than its factorization.

2445489521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its digits is 460800, while the sum is 44.

The square root of 2445489521 is about 49451.8909749668. The cubic root of 2445489521 is about 1347.2719524861.

The spelling of 2445489521 in words is "two billion, four hundred forty-five million, four hundred eighty-nine thousand, five hundred twenty-one".