9349945873 has 2 divisors, whose sum is σ = 9349945874. Its totient is φ = 9349945872.

The previous prime is 9349945793. The next prime is 9349945879. The reversal of 9349945873 is 3785499439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8340803584 + 1009142289 = 91328^2 + 31767^2 .

It is a cyclic number.

It is not a de Polignac number, because 9349945873 - 2²⁹ = 8813074961 is a prime.

It is not a weakly prime, because it can be changed into another prime (9349945879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4674972936 + 4674972937.

It is an arithmetic number, because the mean of its divisors is an integer number (4674972937).

Almost surely, 2^9349945873 is an apocalyptic number.

It is an amenable number.

9349945873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9349945873 is an equidigital number, since it uses as much as digits as its factorization.

9349945873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 61.

The square root of 9349945873 is about 96695.1181446096. The cubic root of 9349945873 is about 2106.7016346938.

The spelling of 9349945873 in words is "nine billion, three hundred forty-nine million, nine hundred forty-five thousand, eight hundred seventy-three".