29111998213 has 2 divisors, whose sum is σ = 29111998214. Its totient is φ = 29111998212.

The previous prime is 29111998207. The next prime is 29111998243. The reversal of 29111998213 is 31289911192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15586773409 + 13525224804 = 124847^2 + 116298^2 .

It is a cyclic number.

It is not a de Polignac number, because 29111998213 - 2²¹ = 29109901061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29111998243) 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, 14555999106 + 14555999107.

It is an arithmetic number, because the mean of its divisors is an integer number (14555999107).

Almost surely, 2^29111998213 is an apocalyptic number.

It is an amenable number.

29111998213 is a deficient number, since it is larger than the sum of its proper divisors (1).

29111998213 is an equidigital number, since it uses as much as digits as its factorization.

29111998213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 46.

The spelling of 29111998213 in words is "twenty-nine billion, one hundred eleven million, nine hundred ninety-eight thousand, two hundred thirteen".