2056617329 has 8 divisors (see below), whose sum is σ = 2215323432. Its totient is φ = 1897983360.

The previous prime is 2056617293. The next prime is 2056617337. The reversal of 2056617329 is 9237166502.

It can be written as a sum of positive squares in 4 ways, for example, as 133356304 + 1923261025 = 11548^2 + 43855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2056617329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056617229) 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 7 ways as a sum of consecutive naturals, for example, 50999 + ... + 81939.

It is an arithmetic number, because the mean of its divisors is an integer number (276915429).

Almost surely, 2^2056617329 is an apocalyptic number.

It is an amenable number.

2056617329 is a deficient number, since it is larger than the sum of its proper divisors (158706103).

2056617329 is a wasteful number, since it uses less digits than its factorization.

2056617329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36067.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2056617329 is about 45349.9429878363. The cubic root of 2056617329 is about 1271.6994894917.

The spelling of 2056617329 in words is "two billion, fifty-six million, six hundred seventeen thousand, three hundred twenty-nine".