919042063 has 2 divisors, whose sum is σ = 919042064. Its totient is φ = 919042062.

The previous prime is 919042057. The next prime is 919042079. The reversal of 919042063 is 360240919.

It is a weak prime.

It is an emirp because it is prime and its reverse (360240919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 919042063 - 2⁹ = 919041551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (919042013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459521031 + 459521032.

It is an arithmetic number, because the mean of its divisors is an integer number (459521032).

Almost surely, 2^919042063 is an apocalyptic number.

919042063 is a deficient number, since it is larger than the sum of its proper divisors (1).

919042063 is an equidigital number, since it uses as much as digits as its factorization.

919042063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 919042063 is about 30315.7065396801. The cubic root of 919042063 is about 972.2511441988.

The spelling of 919042063 in words is "nine hundred nineteen million, forty-two thousand, sixty-three".