29116691 has 2 divisors, whose sum is σ = 29116692. Its totient is φ = 29116690.

The previous prime is 29116651. The next prime is 29116693. The reversal of 29116691 is 19661192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29116691 - 2⁶ = 29116627 is a prime.

Together with 29116693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29116693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14558345 + 14558346.

It is an arithmetic number, because the mean of its divisors is an integer number (14558346).

Almost surely, 2^29116691 is an apocalyptic number.

29116691 is a deficient number, since it is larger than the sum of its proper divisors (1).

29116691 is an equidigital number, since it uses as much as digits as its factorization.

29116691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The square root of 29116691 is about 5395.9884173338. The cubic root of 29116691 is about 307.6432135245.

The spelling of 29116691 in words is "twenty-nine million, one hundred sixteen thousand, six hundred ninety-one".