2989156442 has 8 divisors (see below), whose sum is σ = 4508784000. Its totient is φ = 1486228444.

The previous prime is 2989156397. The next prime is 2989156519. The reversal of 2989156442 is 2446519892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4174442 + ... + 4175157.

It is an arithmetic number, because the mean of its divisors is an integer number (563598000).

Almost surely, 2^2989156442 is an apocalyptic number.

2989156442 is a deficient number, since it is larger than the sum of its proper divisors (1519627558).

2989156442 is a wasteful number, since it uses less digits than its factorization.

2989156442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349780.

The product of its digits is 1244160, while the sum is 50.

The square root of 2989156442 is about 54673.1784515954. The cubic root of 2989156442 is about 1440.5097928158.

The spelling of 2989156442 in words is "two billion, nine hundred eighty-nine million, one hundred fifty-six thousand, four hundred forty-two".