2989872254 has 8 divisors (see below), whose sum is σ = 4487646240. Its totient is φ = 1493990176.

The previous prime is 2989872191. The next prime is 2989872257. The reversal of 2989872254 is 4522789892.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2989872254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989872257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469019 + ... + 475350.

It is an arithmetic number, because the mean of its divisors is an integer number (560955780).

Almost surely, 2^2989872254 is an apocalyptic number.

2989872254 is a deficient number, since it is larger than the sum of its proper divisors (1497773986).

2989872254 is a wasteful number, since it uses less digits than its factorization.

2989872254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945954.

The product of its digits is 5806080, while the sum is 56.

The square root of 2989872254 is about 54679.7243409292. The cubic root of 2989872254 is about 1440.6247697241.

The spelling of 2989872254 in words is "two billion, nine hundred eighty-nine million, eight hundred seventy-two thousand, two hundred fifty-four".