9745470169 has 2 divisors, whose sum is σ = 9745470170. Its totient is φ = 9745470168.

The previous prime is 9745470109. The next prime is 9745470191. The reversal of 9745470169 is 9610745479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7382246400 + 2363223769 = 85920^2 + 48613^2 .

It is an emirp because it is prime and its reverse (9610745479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9745470169 - 2²³ = 9737081561 is a prime.

It is a super-2 number, since 2×9745470169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9745470109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872735084 + 4872735085.

It is an arithmetic number, because the mean of its divisors is an integer number (4872735085).

Almost surely, 2^9745470169 is an apocalyptic number.

It is an amenable number.

9745470169 is a deficient number, since it is larger than the sum of its proper divisors (1).

9745470169 is an equidigital number, since it uses as much as digits as its factorization.

9745470169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 9745470169 is about 98719.1479349371. The cubic root of 9745470169 is about 2135.9984447829.

The spelling of 9745470169 in words is "nine billion, seven hundred forty-five million, four hundred seventy thousand, one hundred sixty-nine".