2989432456 has 16 divisors (see below), whose sum is σ = 5934902940. Its totient is φ = 1406791680.

The previous prime is 2989432451. The next prime is 2989432463. The reversal of 2989432456 is 6542349892.

It can be written as a sum of positive squares in 2 ways, for example, as 2988371556 + 1060900 = 54666^2 + 1030^2 .

It is not an unprimeable number, because it can be changed into a prime (2989432451) 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, 10990425 + ... + 10990696.

Almost surely, 2^2989432456 is an apocalyptic number.

It is an amenable number.

2989432456 is a deficient number, since it is larger than the sum of its proper divisors (2945470484).

2989432456 is a wasteful number, since it uses less digits than its factorization.

2989432456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21981144 (or 21981140 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 2989432456 is about 54675.7026109404. The cubic root of 2989432456 is about 1440.5541295866.

The spelling of 2989432456 in words is "two billion, nine hundred eighty-nine million, four hundred thirty-two thousand, four hundred fifty-six".