2987646589 has 16 divisors (see below), whose sum is σ = 3262121856. Its totient is φ = 2725056000.

The previous prime is 2987646553. The next prime is 2987646611. The reversal of 2987646589 is 9856467892.

It is a cyclic number.

It is not a de Polignac number, because 2987646589 - 2¹⁹ = 2987122301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2987646589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987646539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91054 + ... + 119440.

It is an arithmetic number, because the mean of its divisors is an integer number (203882616).

Almost surely, 2^2987646589 is an apocalyptic number.

It is an amenable number.

2987646589 is a deficient number, since it is larger than the sum of its proper divisors (274475267).

2987646589 is a wasteful number, since it uses less digits than its factorization.

2987646589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28596.

The product of its digits is 52254720, while the sum is 64.

The square root of 2987646589 is about 54659.3687211991. The cubic root of 2987646589 is about 1440.2672133038.

The spelling of 2987646589 in words is "two billion, nine hundred eighty-seven million, six hundred forty-six thousand, five hundred eighty-nine".