2929661239 has 4 divisors (see below), whose sum is σ = 2958104656. Its totient is φ = 2901217824.

The previous prime is 2929661233. The next prime is 2929661261. The reversal of 2929661239 is 9321669292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2929661239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2929661192 and 2929661201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929661233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14221554 + ... + 14221759.

It is an arithmetic number, because the mean of its divisors is an integer number (739526164).

Almost surely, 2^2929661239 is an apocalyptic number.

2929661239 is a deficient number, since it is larger than the sum of its proper divisors (28443417).

2929661239 is a wasteful number, since it uses less digits than its factorization.

2929661239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28443416.

The product of its digits is 629856, while the sum is 49.

The square root of 2929661239 is about 54126.3451472571. The cubic root of 2929661239 is about 1430.8885277882. Note that the first 3 decimals are identical.

The spelling of 2929661239 in words is "two billion, nine hundred twenty-nine million, six hundred sixty-one thousand, two hundred thirty-nine".