9768149129 has 2 divisors, whose sum is σ = 9768149130. Its totient is φ = 9768149128.

The previous prime is 9768149107. The next prime is 9768149143. The reversal of 9768149129 is 9219418679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9115857529 + 652291600 = 95477^2 + 25540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9768149129 is a prime.

It is not a weakly prime, because it can be changed into another prime (9768149189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4884074564 + 4884074565.

It is an arithmetic number, because the mean of its divisors is an integer number (4884074565).

Almost surely, 2^9768149129 is an apocalyptic number.

It is an amenable number.

9768149129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9768149129 is an equidigital number, since it uses as much as digits as its factorization.

9768149129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The square root of 9768149129 is about 98833.9472499202. The cubic root of 9768149129 is about 2137.6540753431.

The spelling of 9768149129 in words is "nine billion, seven hundred sixty-eight million, one hundred forty-nine thousand, one hundred twenty-nine".