2989412257 has 8 divisors (see below), whose sum is σ = 3242529920. Its totient is φ = 2739603600.

The previous prime is 2989412227. The next prime is 2989412297. The reversal of 2989412257 is 7522149892.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2989412257 - 2¹¹ = 2989410209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2989412257.

It is not an unprimeable number, because it can be changed into a prime (2989412207) 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 7 ways as a sum of consecutive naturals, for example, 825369 + ... + 828982.

It is an arithmetic number, because the mean of its divisors is an integer number (405316240).

Almost surely, 2^2989412257 is an apocalyptic number.

It is an amenable number.

2989412257 is a deficient number, since it is larger than the sum of its proper divisors (253117663).

2989412257 is a wasteful number, since it uses less digits than its factorization.

2989412257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654503.

The product of its digits is 725760, while the sum is 49.

The square root of 2989412257 is about 54675.5178942093. The cubic root of 2989412257 is about 1440.5508850668.

The spelling of 2989412257 in words is "two billion, nine hundred eighty-nine million, four hundred twelve thousand, two hundred fifty-seven".