17145858907 has 2 divisors, whose sum is σ = 17145858908. Its totient is φ = 17145858906.

The previous prime is 17145858883. The next prime is 17145858937. The reversal of 17145858907 is 70985854171.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17145858907 is a prime.

It is not a weakly prime, because it can be changed into another prime (17145858937) 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 as a sum of consecutive naturals, namely, 8572929453 + 8572929454.

It is an arithmetic number, because the mean of its divisors is an integer number (8572929454).

Almost surely, 2^17145858907 is an apocalyptic number.

17145858907 is a deficient number, since it is larger than the sum of its proper divisors (1).

17145858907 is an equidigital number, since it uses as much as digits as its factorization.

17145858907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 55.

The spelling of 17145858907 in words is "seventeen billion, one hundred forty-five million, eight hundred fifty-eight thousand, nine hundred seven".