912668429 has 2 divisors, whose sum is σ = 912668430. Its totient is φ = 912668428.

The previous prime is 912668417. The next prime is 912668447. The reversal of 912668429 is 924866219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766016329 + 146652100 = 27677^2 + 12110^2 .

It is an emirp because it is prime and its reverse (924866219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 912668429 - 2²⁰ = 911619853 is a prime.

It is a super-2 number, since 2×912668429² = 1665927322586656082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912668329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456334214 + 456334215.

It is an arithmetic number, because the mean of its divisors is an integer number (456334215).

Almost surely, 2^912668429 is an apocalyptic number.

It is an amenable number.

912668429 is a deficient number, since it is larger than the sum of its proper divisors (1).

912668429 is an equidigital number, since it uses as much as digits as its factorization.

912668429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 912668429 is about 30210.4026619971. The cubic root of 912668429 is about 969.9983806258.

The spelling of 912668429 in words is "nine hundred twelve million, six hundred sixty-eight thousand, four hundred twenty-nine".