29009140429 has 2 divisors, whose sum is σ = 29009140430. Its totient is φ = 29009140428.

The previous prime is 29009140421. The next prime is 29009140583. The reversal of 29009140429 is 92404190092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21069974025 + 7939166404 = 145155^2 + 89102^2 .

It is a cyclic number.

It is not a de Polignac number, because 29009140429 - 2³ = 29009140421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29009140391 and 29009140400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29009140421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14504570214 + 14504570215.

It is an arithmetic number, because the mean of its divisors is an integer number (14504570215).

Almost surely, 2^29009140429 is an apocalyptic number.

It is an amenable number.

29009140429 is a deficient number, since it is larger than the sum of its proper divisors (1).

29009140429 is an equidigital number, since it uses as much as digits as its factorization.

29009140429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 29009140429 in words is "twenty-nine billion, nine million, one hundred forty thousand, four hundred twenty-nine".