919363073 has 2 divisors, whose sum is σ = 919363074. Its totient is φ = 919363072.

The previous prime is 919363031. The next prime is 919363117. The reversal of 919363073 is 370363919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836771329 + 82591744 = 28927^2 + 9088^2 .

It is an emirp because it is prime and its reverse (370363919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 919363073 - 2¹⁸ = 919100929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 919363073.

It is not a weakly prime, because it can be changed into another prime (919363673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459681536 + 459681537.

It is an arithmetic number, because the mean of its divisors is an integer number (459681537).

Almost surely, 2^919363073 is an apocalyptic number.

It is an amenable number.

919363073 is a deficient number, since it is larger than the sum of its proper divisors (1).

919363073 is an equidigital number, since it uses as much as digits as its factorization.

919363073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 41.

The square root of 919363073 is about 30321.0005276871. Note that the first 3 decimals coincide. The cubic root of 919363073 is about 972.3643294459.

The spelling of 919363073 in words is "nine hundred nineteen million, three hundred sixty-three thousand, seventy-three".