29921119 has 2 divisors, whose sum is σ = 29921120. Its totient is φ = 29921118.

The previous prime is 29921117. The next prime is 29921131. The reversal of 29921119 is 91112992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29921119 - 2¹ = 29921117 is a prime.

It is a super-2 number, since 2×29921119² = 1790546724424322, which contains 22 as substring.

Together with 29921117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29921117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14960559 + 14960560.

It is an arithmetic number, because the mean of its divisors is an integer number (14960560).

Almost surely, 2^29921119 is an apocalyptic number.

29921119 is a deficient number, since it is larger than the sum of its proper divisors (1).

29921119 is an equidigital number, since it uses as much as digits as its factorization.

29921119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 34.

The square root of 29921119 is about 5470.0200182449. The cubic root of 29921119 is about 310.4506764373.

The spelling of 29921119 in words is "twenty-nine million, nine hundred twenty-one thousand, one hundred nineteen".