17154140189 has 2 divisors, whose sum is σ = 17154140190. Its totient is φ = 17154140188.

The previous prime is 17154140153. The next prime is 17154140231. The reversal of 17154140189 is 98104145171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16761704089 + 392436100 = 129467^2 + 19810^2 .

It is a cyclic number.

It is not a de Polignac number, because 17154140189 - 2²⁴ = 17137362973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17154140389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8577070094 + 8577070095.

It is an arithmetic number, because the mean of its divisors is an integer number (8577070095).

Almost surely, 2^17154140189 is an apocalyptic number.

It is an amenable number.

17154140189 is a deficient number, since it is larger than the sum of its proper divisors (1).

17154140189 is an equidigital number, since it uses as much as digits as its factorization.

17154140189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 17154140189 in words is "seventeen billion, one hundred fifty-four million, one hundred forty thousand, one hundred eighty-nine".