2989742562 has 20 divisors (see below), whose sum is σ = 6699238326. Its totient is φ = 996580800.

The previous prime is 2989742543. The next prime is 2989742563. The reversal of 2989742562 is 2652479892.

2989742562 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 74 + 2 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2985420321 + 4322241 = 54639^2 + 2079^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2989742499 and 2989742508.

It is not an unprimeable number, because it can be changed into a prime (2989742563) 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 9 ways as a sum of consecutive naturals, for example, 9227439 + ... + 9227762.

Almost surely, 2^2989742562 is an apocalyptic number.

2989742562 is an abundant number, since it is smaller than the sum of its proper divisors (3709495764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2989742562 is a wasteful number, since it uses less digits than its factorization.

2989742562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455215 (or 18455206 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 2989742562 is about 54678.5384040210. The cubic root of 2989742562 is about 1440.6039393793.

The spelling of 2989742562 in words is "two billion, nine hundred eighty-nine million, seven hundred forty-two thousand, five hundred sixty-two".