17983045459 has 2 divisors, whose sum is σ = 17983045460. Its totient is φ = 17983045458.

The previous prime is 17983045433. The next prime is 17983045477. The reversal of 17983045459 is 95454038971.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17983045459 - 2⁵ = 17983045427 is a prime.

It is not a weakly prime, because it can be changed into another prime (17983045559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8991522729 + 8991522730.

It is an arithmetic number, because the mean of its divisors is an integer number (8991522730).

Almost surely, 2^17983045459 is an apocalyptic number.

17983045459 is a deficient number, since it is larger than the sum of its proper divisors (1).

17983045459 is an equidigital number, since it uses as much as digits as its factorization.

17983045459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 17983045459 in words is "seventeen billion, nine hundred eighty-three million, forty-five thousand, four hundred fifty-nine".