29906034989 has 2 divisors, whose sum is σ = 29906034990. Its totient is φ = 29906034988.

The previous prime is 29906034929. The next prime is 29906034997. The reversal of 29906034989 is 98943060992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24942832489 + 4963202500 = 157933^2 + 70450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29906034989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29906034929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14953017494 + 14953017495.

It is an arithmetic number, because the mean of its divisors is an integer number (14953017495).

Almost surely, 2^29906034989 is an apocalyptic number.

It is an amenable number.

29906034989 is a deficient number, since it is larger than the sum of its proper divisors (1).

29906034989 is an equidigital number, since it uses as much as digits as its factorization.

29906034989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 29906034989 in words is "twenty-nine billion, nine hundred six million, thirty-four thousand, nine hundred eighty-nine".