2489565455 has 8 divisors (see below), whose sum is σ = 3217284672. Its totient is φ = 1838448288.

The previous prime is 2489565451. The next prime is 2489565487. The reversal of 2489565455 is 5545659842.

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 2489565455 - 2² = 2489565451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489565397 and 2489565406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489565451) 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, 19150439 + ... + 19150568.

It is an arithmetic number, because the mean of its divisors is an integer number (402160584).

Almost surely, 2^2489565455 is an apocalyptic number.

2489565455 is a deficient number, since it is larger than the sum of its proper divisors (727719217).

2489565455 is a wasteful number, since it uses less digits than its factorization.

2489565455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38301025.

The product of its digits is 8640000, while the sum is 53.

The square root of 2489565455 is about 49895.5454424541. The cubic root of 2489565455 is about 1355.3179276037.

The spelling of 2489565455 in words is "two billion, four hundred eighty-nine million, five hundred sixty-five thousand, four hundred fifty-five".