29229491309 has 2 divisors, whose sum is σ = 29229491310. Its totient is φ = 29229491308.

The previous prime is 29229491293. The next prime is 29229491351. The reversal of 29229491309 is 90319492292.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28966338025 + 263153284 = 170195^2 + 16222^2 .

It is a cyclic number.

It is not a de Polignac number, because 29229491309 - 2⁴ = 29229491293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29229491609) 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, 14614745654 + 14614745655.

It is an arithmetic number, because the mean of its divisors is an integer number (14614745655).

Almost surely, 2^29229491309 is an apocalyptic number.

It is an amenable number.

29229491309 is a deficient number, since it is larger than the sum of its proper divisors (1).

29229491309 is an equidigital number, since it uses as much as digits as its factorization.

29229491309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 29229491309 in words is "twenty-nine billion, two hundred twenty-nine million, four hundred ninety-one thousand, three hundred nine".