29360906821 has 2 divisors, whose sum is σ = 29360906822. Its totient is φ = 29360906820.

The previous prime is 29360906803. The next prime is 29360906863. The reversal of 29360906821 is 12860906392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16056437796 + 13304469025 = 126714^2 + 115345^2 .

It is a cyclic number.

It is not a de Polignac number, because 29360906821 - 2⁷ = 29360906693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29360906881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14680453410 + 14680453411.

It is an arithmetic number, because the mean of its divisors is an integer number (14680453411).

Almost surely, 2^29360906821 is an apocalyptic number.

It is an amenable number.

29360906821 is a deficient number, since it is larger than the sum of its proper divisors (1).

29360906821 is an equidigital number, since it uses as much as digits as its factorization.

29360906821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 29360906821 in words is "twenty-nine billion, three hundred sixty million, nine hundred six thousand, eight hundred twenty-one".