499963771 has 2 divisors, whose sum is σ = 499963772. Its totient is φ = 499963770.

The previous prime is 499963729. The next prime is 499963781. The reversal of 499963771 is 177369994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499963771 - 2⁷ = 499963643 is a prime.

It is not a weakly prime, because it can be changed into another prime (499963781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249981885 + 249981886.

It is an arithmetic number, because the mean of its divisors is an integer number (249981886).

Almost surely, 2^499963771 is an apocalyptic number.

499963771 is a deficient number, since it is larger than the sum of its proper divisors (1).

499963771 is an equidigital number, since it uses as much as digits as its factorization.

499963771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The square root of 499963771 is about 22359.8696552551. The cubic root of 499963771 is about 793.6813555368.

The spelling of 499963771 in words is "four hundred ninety-nine million, nine hundred sixty-three thousand, seven hundred seventy-one".