2089145487 has 32 divisors (see below), whose sum is σ = 3465020160. Its totient is φ = 1099998720.

The previous prime is 2089145483. The next prime is 2089145489. The reversal of 2089145487 is 7845419802.

It is a happy number.

It is not a de Polignac number, because 2089145487 - 2² = 2089145483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089145483) 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 31 ways as a sum of consecutive naturals, for example, 135937 + ... + 150522.

It is an arithmetic number, because the mean of its divisors is an integer number (108281880).

Almost surely, 2^2089145487 is an apocalyptic number.

2089145487 is a deficient number, since it is larger than the sum of its proper divisors (1375874673).

2089145487 is a wasteful number, since it uses less digits than its factorization.

2089145487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286503.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 2089145487 is about 45707.1710675688. The cubic root of 2089145487 is about 1278.3689933752.

The spelling of 2089145487 in words is "two billion, eighty-nine million, one hundred forty-five thousand, four hundred eighty-seven".