29448650681 has 2 divisors, whose sum is σ = 29448650682. Its totient is φ = 29448650680.

The previous prime is 29448650659. The next prime is 29448650687. The reversal of 29448650681 is 18605684492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29383445056 + 65205625 = 171416^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 29448650681 - 2²⁶ = 29381541817 is a prime.

It is a super-2 number, since 2×29448650681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29448650687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14724325340 + 14724325341.

It is an arithmetic number, because the mean of its divisors is an integer number (14724325341).

Almost surely, 2^29448650681 is an apocalyptic number.

It is an amenable number.

29448650681 is a deficient number, since it is larger than the sum of its proper divisors (1).

29448650681 is an equidigital number, since it uses as much as digits as its factorization.

29448650681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 29448650681 in words is "twenty-nine billion, four hundred forty-eight million, six hundred fifty thousand, six hundred eighty-one".