919494263 has 2 divisors, whose sum is σ = 919494264. Its totient is φ = 919494262.

The previous prime is 919494259. The next prime is 919494293. The reversal of 919494263 is 362494919.

It is a weak prime.

It is an emirp because it is prime and its reverse (362494919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 919494263 - 2² = 919494259 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (919494223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459747131 + 459747132.

It is an arithmetic number, because the mean of its divisors is an integer number (459747132).

Almost surely, 2^919494263 is an apocalyptic number.

919494263 is a deficient number, since it is larger than the sum of its proper divisors (1).

919494263 is an equidigital number, since it uses as much as digits as its factorization.

919494263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 919494263 is about 30323.1638026114. The cubic root of 919494263 is about 972.4105782794.

The spelling of 919494263 in words is "nine hundred nineteen million, four hundred ninety-four thousand, two hundred sixty-three".