17272493009 has 2 divisors, whose sum is σ = 17272493010. Its totient is φ = 17272493008.

The previous prime is 17272492981. The next prime is 17272493023. The reversal of 17272493009 is 90039427271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13539649600 + 3732843409 = 116360^2 + 61097^2 .

It is an emirp because it is prime and its reverse (90039427271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17272493009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (17272493089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8636246504 + 8636246505.

It is an arithmetic number, because the mean of its divisors is an integer number (8636246505).

Almost surely, 2^17272493009 is an apocalyptic number.

It is an amenable number.

17272493009 is a deficient number, since it is larger than the sum of its proper divisors (1).

17272493009 is an equidigital number, since it uses as much as digits as its factorization.

17272493009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 17272493009 in words is "seventeen billion, two hundred seventy-two million, four hundred ninety-three thousand, nine".