17609194349 has 2 divisors, whose sum is σ = 17609194350. Its totient is φ = 17609194348.

The previous prime is 17609194307. The next prime is 17609194387. The reversal of 17609194349 is 94349190671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10612708324 + 6996486025 = 103018^2 + 83645^2 .

It is a cyclic number.

It is not a de Polignac number, because 17609194349 - 2¹⁶ = 17609128813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17609194349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17609194249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8804597174 + 8804597175.

It is an arithmetic number, because the mean of its divisors is an integer number (8804597175).

Almost surely, 2^17609194349 is an apocalyptic number.

It is an amenable number.

17609194349 is a deficient number, since it is larger than the sum of its proper divisors (1).

17609194349 is an equidigital number, since it uses as much as digits as its factorization.

17609194349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 17609194349 in words is "seventeen billion, six hundred nine million, one hundred ninety-four thousand, three hundred forty-nine".