17313994043 has 2 divisors, whose sum is σ = 17313994044. Its totient is φ = 17313994042.

The previous prime is 17313994039. The next prime is 17313994127. The reversal of 17313994043 is 34049931371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17313994043 - 2² = 17313994039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17313993985 and 17313994003.

It is not a weakly prime, because it can be changed into another prime (17313994343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656997021 + 8656997022.

It is an arithmetic number, because the mean of its divisors is an integer number (8656997022).

Almost surely, 2^17313994043 is an apocalyptic number.

17313994043 is a deficient number, since it is larger than the sum of its proper divisors (1).

17313994043 is an equidigital number, since it uses as much as digits as its factorization.

17313994043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 17313994043 in words is "seventeen billion, three hundred thirteen million, nine hundred ninety-four thousand, forty-three".