17044938749 has 2 divisors, whose sum is σ = 17044938750. Its totient is φ = 17044938748.

The previous prime is 17044938727. The next prime is 17044938793. The reversal of 17044938749 is 94783944071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15908776900 + 1136161849 = 126130^2 + 33707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17044938749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17044938694 and 17044938703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17044938719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8522469374 + 8522469375.

It is an arithmetic number, because the mean of its divisors is an integer number (8522469375).

Almost surely, 2^17044938749 is an apocalyptic number.

It is an amenable number.

17044938749 is a deficient number, since it is larger than the sum of its proper divisors (1).

17044938749 is an equidigital number, since it uses as much as digits as its factorization.

17044938749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 17044938749 in words is "seventeen billion, forty-four million, nine hundred thirty-eight thousand, seven hundred forty-nine".