2908121329 has 3 divisors (see below), whose sum is σ = 2908175257. Its totient is φ = 2908067402.

The previous prime is 2908121327. The next prime is 2908121339. The reversal of 2908121329 is 9231218092.

The square root of 2908121329 is 53927.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2908121329 - 2¹ = 2908121327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2908121327) 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 2 ways as a sum of consecutive naturals, for example, 26964 + ... + 80890.

Almost surely, 2^2908121329 is an apocalyptic number.

2908121329 is the 53927-th square number.

2908121329 is the 26964-th centered octagonal number.

It is an amenable number.

2908121329 is a deficient number, since it is larger than the sum of its proper divisors (53928).

2908121329 is an frugal number, since it uses more digits than its factorization.

2908121329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107854 (or 53927 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The cubic root of 2908121329 is about 1427.3730978678.

The spelling of 2908121329 in words is "two billion, nine hundred eight million, one hundred twenty-one thousand, three hundred twenty-nine".