17139206739443 has 4 divisors (see below), whose sum is σ = 17139218290920. Its totient is φ = 17139195187968.

The previous prime is 17139206739407. The next prime is 17139206739469. The reversal of 17139206739443 is 34493760293171.

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 a cyclic number.

It is not a de Polignac number, because 17139206739443 - 2²⁴ = 17139189962227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17139206739643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153230 + ... + 6649907.

It is an arithmetic number, because the mean of its divisors is an integer number (4284804572730).

Almost surely, 2^{17139206739443} is an apocalyptic number.

17139206739443 is a deficient number, since it is larger than the sum of its proper divisors (11551477).

17139206739443 is an equidigital number, since it uses as much as digits as its factorization.

17139206739443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551476.

The product of its (nonzero) digits is 20575296, while the sum is 59.

The spelling of 17139206739443 in words is "seventeen trillion, one hundred thirty-nine billion, two hundred six million, seven hundred thirty-nine thousand, four hundred forty-three".