2124779329 has 8 divisors (see below), whose sum is σ = 2237056640. Its totient is φ = 2012546736.

The previous prime is 2124779303. The next prime is 2124779359. The reversal of 2124779329 is 9239774212.

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 2124779329 - 2⁵ = 2124779297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124779359) 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, 136504 + ... + 151270.

It is an arithmetic number, because the mean of its divisors is an integer number (279632080).

Almost surely, 2^2124779329 is an apocalyptic number.

It is an amenable number.

2124779329 is a deficient number, since it is larger than the sum of its proper divisors (112277311).

2124779329 is a wasteful number, since it uses less digits than its factorization.

2124779329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22359.

The product of its digits is 381024, while the sum is 46.

The square root of 2124779329 is about 46095.3287112696. The cubic root of 2124779329 is about 1285.5962912568.

It can be divided in two parts, 21247 and 79329, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 2124779329 in words is "two billion, one hundred twenty-four million, seven hundred seventy-nine thousand, three hundred twenty-nine".