17139054365 has 4 divisors (see below), whose sum is σ = 20566865244. Its totient is φ = 13711243488.

The previous prime is 17139054349. The next prime is 17139054377. The reversal of 17139054365 is 56345093171.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5175507481 + 11963546884 = 71941^2 + 109378^2 .

It is a cyclic number.

It is not a de Polignac number, because 17139054365 - 2⁴ = 17139054349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713905432 + ... + 1713905441.

It is an arithmetic number, because the mean of its divisors is an integer number (5141716311).

Almost surely, 2^17139054365 is an apocalyptic number.

It is an amenable number.

17139054365 is a deficient number, since it is larger than the sum of its proper divisors (3427810879).

17139054365 is an equidigital number, since it uses as much as digits as its factorization.

17139054365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427810878.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 17139054365 in words is "seventeen billion, one hundred thirty-nine million, fifty-four thousand, three hundred sixty-five".