729822011 has 2 divisors, whose sum is σ = 729822012. Its totient is φ = 729822010.

The previous prime is 729822007. The next prime is 729822047. The reversal of 729822011 is 110228927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729822011 - 2² = 729822007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (729822001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364911005 + 364911006.

It is an arithmetic number, because the mean of its divisors is an integer number (364911006).

Almost surely, 2^729822011 is an apocalyptic number.

729822011 is a deficient number, since it is larger than the sum of its proper divisors (1).

729822011 is an equidigital number, since it uses as much as digits as its factorization.

729822011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 729822011 is about 27015.2181371907. The cubic root of 729822011 is about 900.3381490660.

The spelling of 729822011 in words is "seven hundred twenty-nine million, eight hundred twenty-two thousand, eleven".