2989605069 has 24 divisors (see below), whose sum is σ = 4838220192. Its totient is φ = 1762909920.

The previous prime is 2989605053. The next prime is 2989605097. The reversal of 2989605069 is 9605069892.

2989605069 is a `hidden beast` number, since 29 + 8 + 9 + 605 + 0 + 6 + 9 = 666.

It is not a de Polignac number, because 2989605069 - 2⁴ = 2989605053 is a prime.

It is a super-2 number, since 2×2989605069² = 17875476937180989522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989605049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404419 + ... + 411744.

It is an arithmetic number, because the mean of its divisors is an integer number (201592508).

Almost surely, 2^2989605069 is an apocalyptic number.

It is an amenable number.

2989605069 is a deficient number, since it is larger than the sum of its proper divisors (1848615123).

2989605069 is a wasteful number, since it uses less digits than its factorization.

2989605069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816217 (or 816214 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 2989605069 is about 54677.2811046782. The cubic root of 2989605069 is about 1440.5818554273.

The spelling of 2989605069 in words is "two billion, nine hundred eighty-nine million, six hundred five thousand, sixty-nine".