916635229 has 2 divisors, whose sum is σ = 916635230. Its totient is φ = 916635228.

The previous prime is 916635217. The next prime is 916635263. The reversal of 916635229 is 922536619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750869604 + 165765625 = 27402^2 + 12875^2 .

It is a cyclic number.

It is not a de Polignac number, because 916635229 - 2⁵ = 916635197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916635029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458317614 + 458317615.

It is an arithmetic number, because the mean of its divisors is an integer number (458317615).

Almost surely, 2^916635229 is an apocalyptic number.

It is an amenable number.

916635229 is a deficient number, since it is larger than the sum of its proper divisors (1).

916635229 is an equidigital number, since it uses as much as digits as its factorization.

916635229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 916635229 is about 30275.9843605456. The cubic root of 916635229 is about 971.4016753418.

The spelling of 916635229 in words is "nine hundred sixteen million, six hundred thirty-five thousand, two hundred twenty-nine".