412918817 has 2 divisors, whose sum is σ = 412918818. Its totient is φ = 412918816.

The previous prime is 412918801. The next prime is 412918819. The reversal of 412918817 is 718819214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399640081 + 13278736 = 19991^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 412918817 - 2⁴ = 412918801 is a prime.

Together with 412918819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (412918819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206459408 + 206459409.

It is an arithmetic number, because the mean of its divisors is an integer number (206459409).

Almost surely, 2^412918817 is an apocalyptic number.

It is an amenable number.

412918817 is a deficient number, since it is larger than the sum of its proper divisors (1).

412918817 is an equidigital number, since it uses as much as digits as its factorization.

412918817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 41.

The square root of 412918817 is about 20320.4039575989. The cubic root of 412918817 is about 744.6546254327.

The spelling of 412918817 in words is "four hundred twelve million, nine hundred eighteen thousand, eight hundred seventeen".