499605919 has 2 divisors, whose sum is σ = 499605920. Its totient is φ = 499605918.

The previous prime is 499605907. The next prime is 499605937. The reversal of 499605919 is 919506994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499605919 is a prime.

It is a super-2 number, since 2×499605919² = 499212148599669122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499605959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249802959 + 249802960.

It is an arithmetic number, because the mean of its divisors is an integer number (249802960).

Almost surely, 2^499605919 is an apocalyptic number.

499605919 is a deficient number, since it is larger than the sum of its proper divisors (1).

499605919 is an equidigital number, since it uses as much as digits as its factorization.

499605919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 499605919 is about 22351.8661189620. The cubic root of 499605919 is about 793.4919496459.

The spelling of 499605919 in words is "four hundred ninety-nine million, six hundred five thousand, nine hundred nineteen".