1173726748349 has 2 divisors, whose sum is σ = 1173726748350. Its totient is φ = 1173726748348.

The previous prime is 1173726748303. The next prime is 1173726748357. The reversal of 1173726748349 is 9438476273711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017687528025 + 156039220324 = 1008805^2 + 395018^2 .

It is an emirp because it is prime and its reverse (9438476273711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1173726748349 - 2¹⁶ = 1173726682813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1173726748291 and 1173726748300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1173726748849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586863374174 + 586863374175.

It is an arithmetic number, because the mean of its divisors is an integer number (586863374175).

Almost surely, 2^{1173726748349} is an apocalyptic number.

It is an amenable number.

1173726748349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173726748349 is an equidigital number, since it uses as much as digits as its factorization.

1173726748349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 62.

The spelling of 1173726748349 in words is "one trillion, one hundred seventy-three billion, seven hundred twenty-six million, seven hundred forty-eight thousand, three hundred forty-nine".