29211434429 has 2 divisors, whose sum is σ = 29211434430. Its totient is φ = 29211434428.

The previous prime is 29211434411. The next prime is 29211434443. The reversal of 29211434429 is 92443411292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26512631929 + 2698802500 = 162827^2 + 51950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29211434429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29211434479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14605717214 + 14605717215.

It is an arithmetic number, because the mean of its divisors is an integer number (14605717215).

Almost surely, 2^29211434429 is an apocalyptic number.

It is an amenable number.

29211434429 is a deficient number, since it is larger than the sum of its proper divisors (1).

29211434429 is an equidigital number, since it uses as much as digits as its factorization.

29211434429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The spelling of 29211434429 in words is "twenty-nine billion, two hundred eleven million, four hundred thirty-four thousand, four hundred twenty-nine".