17409970489 has 2 divisors, whose sum is σ = 17409970490. Its totient is φ = 17409970488.

The previous prime is 17409970469. The next prime is 17409970553. The reversal of 17409970489 is 98407990471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11622564864 + 5787405625 = 107808^2 + 76075^2 .

It is a cyclic number.

It is not a de Polignac number, because 17409970489 - 2²⁷ = 17275752761 is a prime.

It is not a weakly prime, because it can be changed into another prime (17409970439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8704985244 + 8704985245.

It is an arithmetic number, because the mean of its divisors is an integer number (8704985245).

Almost surely, 2^17409970489 is an apocalyptic number.

It is an amenable number.

17409970489 is a deficient number, since it is larger than the sum of its proper divisors (1).

17409970489 is an equidigital number, since it uses as much as digits as its factorization.

17409970489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 17409970489 in words is "seventeen billion, four hundred nine million, nine hundred seventy thousand, four hundred eighty-nine".