29499991 has 2 divisors, whose sum is σ = 29499992. Its totient is φ = 29499990.

The previous prime is 29499949. The next prime is 29500043. The reversal of 29499991 is 19999492.

It is an a-pointer prime, because the next prime (29500043) can be obtained adding 29499991 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29499991 - 2⁷ = 29499863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29499901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14749995 + 14749996.

It is an arithmetic number, because the mean of its divisors is an integer number (14749996).

Almost surely, 2^29499991 is an apocalyptic number.

29499991 is a deficient number, since it is larger than the sum of its proper divisors (1).

29499991 is an equidigital number, since it uses as much as digits as its factorization.

29499991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 52.

The square root of 29499991 is about 5431.3894170829. The cubic root of 29499991 is about 308.9872988708.

The spelling of 29499991 in words is "twenty-nine million, four hundred ninety-nine thousand, nine hundred ninety-one".