9745346729 has 2 divisors, whose sum is σ = 9745346730. Its totient is φ = 9745346728.

The previous prime is 9745346707. The next prime is 9745346797. The reversal of 9745346729 is 9276435479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7322738329 + 2422608400 = 85573^2 + 49220^2 .

It is an emirp because it is prime and its reverse (9276435479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9745346729 - 2¹⁶ = 9745281193 is a prime.

It is not a weakly prime, because it can be changed into another prime (9745246729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872673364 + 4872673365.

It is an arithmetic number, because the mean of its divisors is an integer number (4872673365).

Almost surely, 2^9745346729 is an apocalyptic number.

It is an amenable number.

9745346729 is a deficient number, since it is larger than the sum of its proper divisors (1).

9745346729 is an equidigital number, since it uses as much as digits as its factorization.

9745346729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 56.

The square root of 9745346729 is about 98718.5227249679. The cubic root of 9745346729 is about 2135.9894262763.

The spelling of 9745346729 in words is "nine billion, seven hundred forty-five million, three hundred forty-six thousand, seven hundred twenty-nine".