499965671 has 2 divisors, whose sum is σ = 499965672. Its totient is φ = 499965670.

The previous prime is 499965647. The next prime is 499965673. The reversal of 499965671 is 176569994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499965671 - 2⁶ = 499965607 is a prime.

Together with 499965673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499965673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249982835 + 249982836.

It is an arithmetic number, because the mean of its divisors is an integer number (249982836).

Almost surely, 2^499965671 is an apocalyptic number.

499965671 is a deficient number, since it is larger than the sum of its proper divisors (1).

499965671 is an equidigital number, since it uses as much as digits as its factorization.

499965671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 56.

The square root of 499965671 is about 22359.9121420456. The cubic root of 499965671 is about 793.6823609381.

The spelling of 499965671 in words is "four hundred ninety-nine million, nine hundred sixty-five thousand, six hundred seventy-one".