29329978112321 has 2 divisors, whose sum is σ = 29329978112322. Its totient is φ = 29329978112320.

The previous prime is 29329978112299. The next prime is 29329978112377. The reversal of 29329978112321 is 12321187992392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28310231581696 + 1019746530625 = 5320736^2 + 1009825^2 .

It is a cyclic number.

It is not a de Polignac number, because 29329978112321 - 2⁶ = 29329978112257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29329978112381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14664989056160 + 14664989056161.

It is an arithmetic number, because the mean of its divisors is an integer number (14664989056161).

Almost surely, 2^{29329978112321} is an apocalyptic number.

It is an amenable number.

29329978112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

29329978112321 is an equidigital number, since it uses as much as digits as its factorization.

29329978112321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The spelling of 29329978112321 in words is "twenty-nine trillion, three hundred twenty-nine billion, nine hundred seventy-eight million, one hundred twelve thousand, three hundred twenty-one".