29918029 has 2 divisors, whose sum is σ = 29918030. Its totient is φ = 29918028.

The previous prime is 29918017. The next prime is 29918039. The reversal of 29918029 is 92081992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17682025 + 12236004 = 4205^2 + 3498^2 .

It is a cyclic number.

It is not a de Polignac number, because 29918029 - 2⁵ = 29917997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29917982 and 29918000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29918039) 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, 14959014 + 14959015.

It is an arithmetic number, because the mean of its divisors is an integer number (14959015).

Almost surely, 2^29918029 is an apocalyptic number.

It is an amenable number.

29918029 is a deficient number, since it is larger than the sum of its proper divisors (1).

29918029 is an equidigital number, since it uses as much as digits as its factorization.

29918029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 29918029 is about 5469.7375622602. The cubic root of 29918029 is about 310.4399891630.

It can be divided in two parts, 299180 and 29, that added together give a square (299209 = 547²).

The spelling of 29918029 in words is "twenty-nine million, nine hundred eighteen thousand, twenty-nine".