116009429 has 2 divisors, whose sum is σ = 116009430. Its totient is φ = 116009428.

The previous prime is 116009407. The next prime is 116009437. The reversal of 116009429 is 924900611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115068529 + 940900 = 10727^2 + 970^2 .

It is an emirp because it is prime and its reverse (924900611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116009429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 116009395 and 116009404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116009329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58004714 + 58004715.

It is an arithmetic number, because the mean of its divisors is an integer number (58004715).

Almost surely, 2^116009429 is an apocalyptic number.

It is an amenable number.

116009429 is a deficient number, since it is larger than the sum of its proper divisors (1).

116009429 is an equidigital number, since it uses as much as digits as its factorization.

116009429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 116009429 is about 10770.7673357101. The cubic root of 116009429 is about 487.7131098939.

The spelling of 116009429 in words is "one hundred sixteen million, nine thousand, four hundred twenty-nine".