2989177929 has 24 divisors (see below), whose sum is σ = 4499244360. Its totient is φ = 1910001408.

The previous prime is 2989177889. The next prime is 2989177931. The reversal of 2989177929 is 9297719892.

It can be written as a sum of positive squares in 4 ways, for example, as 603832329 + 2385345600 = 24573^2 + 48840^2 .

It is not a de Polignac number, because 2989177929 - 2⁷ = 2989177801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2989177969) 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, 6042 + ... + 77555.

It is an arithmetic number, because the mean of its divisors is an integer number (187468515).

Almost surely, 2^2989177929 is an apocalyptic number.

2989177929 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2989177929 is a deficient number, since it is larger than the sum of its proper divisors (1510066431).

2989177929 is a wasteful number, since it uses less digits than its factorization.

2989177929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83769 (or 83766 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 2989177929 is about 54673.3749552742. The cubic root of 2989177929 is about 1440.5132444205.

The spelling of 2989177929 in words is "two billion, nine hundred eighty-nine million, one hundred seventy-seven thousand, nine hundred twenty-nine".