17155056349 has 8 divisors (see below), whose sum is σ = 17217269208. Its totient is φ = 17092895040.

The previous prime is 17155056323. The next prime is 17155056403. The reversal of 17155056349 is 94365055171.

It can be written as a sum of positive squares in 4 ways, for example, as 560979225 + 16594077124 = 23685^2 + 128818^2 .

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 17155056349 - 2³³ = 8565121757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17155056299 and 17155056308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17155056049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730539 + ... + 753655.

It is an arithmetic number, because the mean of its divisors is an integer number (2152158651).

Almost surely, 2^17155056349 is an apocalyptic number.

It is an amenable number.

17155056349 is a deficient number, since it is larger than the sum of its proper divisors (62212859).

17155056349 is a wasteful number, since it uses less digits than its factorization.

17155056349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25775.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 17155056349 in words is "seventeen billion, one hundred fifty-five million, fifty-six thousand, three hundred forty-nine".