17741372489 has 2 divisors, whose sum is σ = 17741372490. Its totient is φ = 17741372488.

The previous prime is 17741372399. The next prime is 17741372491. The reversal of 17741372489 is 98427314771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17513875600 + 227496889 = 132340^2 + 15083^2 .

It is a cyclic number.

It is not a de Polignac number, because 17741372489 - 2¹⁶ = 17741306953 is a prime.

Together with 17741372491, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17741372489.

It is not a weakly prime, because it can be changed into another prime (17741378489) 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, 8870686244 + 8870686245.

It is an arithmetic number, because the mean of its divisors is an integer number (8870686245).

Almost surely, 2^17741372489 is an apocalyptic number.

It is an amenable number.

17741372489 is a deficient number, since it is larger than the sum of its proper divisors (1).

17741372489 is an equidigital number, since it uses as much as digits as its factorization.

17741372489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The spelling of 17741372489 in words is "seventeen billion, seven hundred forty-one million, three hundred seventy-two thousand, four hundred eighty-nine".