29477429 has 2 divisors, whose sum is σ = 29477430. Its totient is φ = 29477428.

The previous prime is 29477411. The next prime is 29477431. The reversal of 29477429 is 92477492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16589329 + 12888100 = 4073^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 29477429 - 2¹² = 29473333 is a prime.

It is a Sophie Germain prime.

Together with 29477431, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29477429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29477449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14738714 + 14738715.

It is an arithmetic number, because the mean of its divisors is an integer number (14738715).

Almost surely, 2^29477429 is an apocalyptic number.

It is an amenable number.

29477429 is a deficient number, since it is larger than the sum of its proper divisors (1).

29477429 is an equidigital number, since it uses as much as digits as its factorization.

29477429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 29477429 is about 5429.3120190315. The cubic root of 29477429 is about 308.9085061975.

The spelling of 29477429 in words is "twenty-nine million, four hundred seventy-seven thousand, four hundred twenty-nine".