2989284479 has 4 divisors (see below), whose sum is σ = 2991130200. Its totient is φ = 2987438760.

The previous prime is 2989284439. The next prime is 2989284491. The reversal of 2989284479 is 9744829892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2989284479 - 2¹² = 2989280383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989284439) 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 3 ways as a sum of consecutive naturals, for example, 920429 + ... + 923670.

It is an arithmetic number, because the mean of its divisors is an integer number (747782550).

Almost surely, 2^2989284479 is an apocalyptic number.

2989284479 is a deficient number, since it is larger than the sum of its proper divisors (1845721).

2989284479 is a wasteful number, since it uses less digits than its factorization.

2989284479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845720.

The product of its digits is 20901888, while the sum is 62.

The square root of 2989284479 is about 54674.3493696999. The cubic root of 2989284479 is about 1440.5303600363.

The spelling of 2989284479 in words is "two billion, nine hundred eighty-nine million, two hundred eighty-four thousand, four hundred seventy-nine".