2015484889 has 4 divisors (see below), whose sum is σ = 2198710800. Its totient is φ = 1832258980.

The previous prime is 2015484859. The next prime is 2015484931. The reversal of 2015484889 is 9884845102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2015484889 - 2²⁷ = 1881267161 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2015484829) 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 3 ways as a sum of consecutive naturals, for example, 91612939 + ... + 91612960.

It is an arithmetic number, because the mean of its divisors is an integer number (549677700).

Almost surely, 2^2015484889 is an apocalyptic number.

It is an amenable number.

2015484889 is a deficient number, since it is larger than the sum of its proper divisors (183225911).

2015484889 is a wasteful number, since it uses less digits than its factorization.

2015484889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183225910.

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 2015484889 is about 44894.1520579240. The cubic root of 2015484889 is about 1263.1643169036.

The spelling of 2015484889 in words is "two billion, fifteen million, four hundred eighty-four thousand, eight hundred eighty-nine".