9729695196149 has 2 divisors, whose sum is σ = 9729695196150. Its totient is φ = 9729695196148.

The previous prime is 9729695196097. The next prime is 9729695196181. The reversal of 9729695196149 is 9416915969279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6409920095524 + 3319775100625 = 2531782^2 + 1822025^2 .

It is a cyclic number.

It is not a de Polignac number, because 9729695196149 - 2⁸ = 9729695195893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9729695196149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9729695196049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864847598074 + 4864847598075.

It is an arithmetic number, because the mean of its divisors is an integer number (4864847598075).

Almost surely, 2^{9729695196149} is an apocalyptic number.

It is an amenable number.

9729695196149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9729695196149 is an equidigital number, since it uses as much as digits as its factorization.

9729695196149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595213920, while the sum is 77.

The spelling of 9729695196149 in words is "nine trillion, seven hundred twenty-nine billion, six hundred ninety-five million, one hundred ninety-six thousand, one hundred forty-nine".