29109893 has 2 divisors, whose sum is σ = 29109894. Its totient is φ = 29109892.

The previous prime is 29109887. The next prime is 29109901. The reversal of 29109893 is 39890192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 11276164 = 4223^2 + 3358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29109893 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29109893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29109803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14554946 + 14554947.

It is an arithmetic number, because the mean of its divisors is an integer number (14554947).

Almost surely, 2^29109893 is an apocalyptic number.

It is an amenable number.

29109893 is a deficient number, since it is larger than the sum of its proper divisors (1).

29109893 is an equidigital number, since it uses as much as digits as its factorization.

29109893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 29109893 is about 5395.3584681650. The cubic root of 29109893 is about 307.6192693963.

The spelling of 29109893 in words is "twenty-nine million, one hundred nine thousand, eight hundred ninety-three".