2029931129 has 2 divisors, whose sum is σ = 2029931130. Its totient is φ = 2029931128.

The previous prime is 2029931077. The next prime is 2029931131. The reversal of 2029931129 is 9211399202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1905497104 + 124434025 = 43652^2 + 11155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029931129 - 2¹² = 2029927033 is a prime.

Together with 2029931131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2029931092 and 2029931101.

It is not a weakly prime, because it can be changed into another prime (2029931159) 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, 1014965564 + 1014965565.

It is an arithmetic number, because the mean of its divisors is an integer number (1014965565).

Almost surely, 2^2029931129 is an apocalyptic number.

It is an amenable number.

2029931129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029931129 is an equidigital number, since it uses as much as digits as its factorization.

2029931129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2029931129 is about 45054.7570074460. The cubic root of 2029931129 is about 1266.1750976757.

The spelling of 2029931129 in words is "two billion, twenty-nine million, nine hundred thirty-one thousand, one hundred twenty-nine".