17140286938 has 4 divisors (see below), whose sum is σ = 25710430410. Its totient is φ = 8570143468.

The previous prime is 17140286929. The next prime is 17140286953. The reversal of 17140286938 is 83968204171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83968204171 = 86197 ⋅974143.

It can be written as a sum of positive squares in only one way, i.e., 14617535409 + 2522751529 = 120903^2 + 50227^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 17140286891 and 17140286900.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4285071733 + ... + 4285071736.

Almost surely, 2^17140286938 is an apocalyptic number.

17140286938 is a deficient number, since it is larger than the sum of its proper divisors (8570143472).

17140286938 is an equidigital number, since it uses as much as digits as its factorization.

17140286938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570143471.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 17140286938 in words is "seventeen billion, one hundred forty million, two hundred eighty-six thousand, nine hundred thirty-eight".