11729229697 has 2 divisors, whose sum is σ = 11729229698. Its totient is φ = 11729229696.

The previous prime is 11729229649. The next prime is 11729229703. The reversal of 11729229697 is 79692292711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9209089296 + 2520140401 = 95964^2 + 50201^2 .

It is a cyclic number.

It is not a de Polignac number, because 11729229697 - 2¹⁵ = 11729196929 is a prime.

It is not a weakly prime, because it can be changed into another prime (11729229637) 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, 5864614848 + 5864614849.

It is an arithmetic number, because the mean of its divisors is an integer number (5864614849).

Almost surely, 2^11729229697 is an apocalyptic number.

It is an amenable number.

11729229697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11729229697 is an equidigital number, since it uses as much as digits as its factorization.

11729229697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 55.

The spelling of 11729229697 in words is "eleven billion, seven hundred twenty-nine million, two hundred twenty-nine thousand, six hundred ninety-seven".