9745435129 has 2 divisors, whose sum is σ = 9745435130. Its totient is φ = 9745435128.

The previous prime is 9745435111. The next prime is 9745435171. The reversal of 9745435129 is 9215345479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5572921104 + 4172514025 = 74652^2 + 64595^2 .

It is a cyclic number.

It is not a de Polignac number, because 9745435129 - 2¹¹ = 9745433081 is a prime.

It is not a weakly prime, because it can be changed into another prime (9745435199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872717564 + 4872717565.

It is an arithmetic number, because the mean of its divisors is an integer number (4872717565).

Almost surely, 2^9745435129 is an apocalyptic number.

It is an amenable number.

9745435129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9745435129 is an equidigital number, since it uses as much as digits as its factorization.

9745435129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 9745435129 is about 98718.9704616088. The cubic root of 9745435129 is about 2135.9958847739.

The spelling of 9745435129 in words is "nine billion, seven hundred forty-five million, four hundred thirty-five thousand, one hundred twenty-nine".