17257250652989 has 2 divisors, whose sum is σ = 17257250652990. Its totient is φ = 17257250652988.

The previous prime is 17257250652977. The next prime is 17257250652991. The reversal of 17257250652989 is 98925605275271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16029493579225 + 1227757073764 = 4003685^2 + 1108042^2 .

It is a cyclic number.

It is not a de Polignac number, because 17257250652989 - 2⁴ = 17257250652973 is a prime.

Together with 17257250652991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17257250652959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8628625326494 + 8628625326495.

It is an arithmetic number, because the mean of its divisors is an integer number (8628625326495).

Almost surely, 2^{17257250652989} is an apocalyptic number.

It is an amenable number.

17257250652989 is a deficient number, since it is larger than the sum of its proper divisors (1).

17257250652989 is an equidigital number, since it uses as much as digits as its factorization.

17257250652989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512000, while the sum is 68.

The spelling of 17257250652989 in words is "seventeen trillion, two hundred fifty-seven billion, two hundred fifty million, six hundred fifty-two thousand, nine hundred eighty-nine".