116669429 has 2 divisors, whose sum is σ = 116669430. Its totient is φ = 116669428.

The previous prime is 116669389. The next prime is 116669437. The reversal of 116669429 is 924966611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115455025 + 1214404 = 10745^2 + 1102^2 .

It is an emirp because it is prime and its reverse (924966611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116669429 - 2⁸ = 116669173 is a prime.

It is a super-2 number, since 2×116669429² = 27223511326372082, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116669429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116669459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58334714 + 58334715.

It is an arithmetic number, because the mean of its divisors is an integer number (58334715).

Almost surely, 2^116669429 is an apocalyptic number.

It is an amenable number.

116669429 is a deficient number, since it is larger than the sum of its proper divisors (1).

116669429 is an equidigital number, since it uses as much as digits as its factorization.

116669429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 116669429 is about 10801.3623677757. The cubic root of 116669429 is about 488.6362594020.

The spelling of 116669429 in words is "one hundred sixteen million, six hundred sixty-nine thousand, four hundred twenty-nine".