17113042993 has 2 divisors, whose sum is σ = 17113042994. Its totient is φ = 17113042992.

The previous prime is 17113042951. The next prime is 17113042997. The reversal of 17113042993 is 39924031171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16198161984 + 914881009 = 127272^2 + 30247^2 .

It is a cyclic number.

It is not a de Polignac number, because 17113042993 - 2¹³ = 17113034801 is a prime.

It is not a weakly prime, because it can be changed into another prime (17113042997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8556521496 + 8556521497.

It is an arithmetic number, because the mean of its divisors is an integer number (8556521497).

Almost surely, 2^17113042993 is an apocalyptic number.

It is an amenable number.

17113042993 is a deficient number, since it is larger than the sum of its proper divisors (1).

17113042993 is an equidigital number, since it uses as much as digits as its factorization.

17113042993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 17113042993 in words is "seventeen billion, one hundred thirteen million, forty-two thousand, nine hundred ninety-three".