17920136071 has 2 divisors, whose sum is σ = 17920136072. Its totient is φ = 17920136070.

The previous prime is 17920136063. The next prime is 17920136089. The reversal of 17920136071 is 17063102971.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17920136071 - 2³ = 17920136063 is a prime.

It is a super-2 number, since 2×17920136071² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17920136071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17920136771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8960068035 + 8960068036.

It is an arithmetic number, because the mean of its divisors is an integer number (8960068036).

Almost surely, 2^17920136071 is an apocalyptic number.

17920136071 is a deficient number, since it is larger than the sum of its proper divisors (1).

17920136071 is an equidigital number, since it uses as much as digits as its factorization.

17920136071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The spelling of 17920136071 in words is "seventeen billion, nine hundred twenty million, one hundred thirty-six thousand, seventy-one".