499563671 has 2 divisors, whose sum is σ = 499563672. Its totient is φ = 499563670.

The previous prime is 499563641. The next prime is 499563697. The reversal of 499563671 is 176365994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499563671 - 2⁶ = 499563607 is a prime.

It is a super-2 number, since 2×499563671² = 499127722765992482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499563641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249781835 + 249781836.

It is an arithmetic number, because the mean of its divisors is an integer number (249781836).

Almost surely, 2^499563671 is an apocalyptic number.

499563671 is a deficient number, since it is larger than the sum of its proper divisors (1).

499563671 is an equidigital number, since it uses as much as digits as its factorization.

499563671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 499563671 is about 22350.9210324765. The cubic root of 499563671 is about 793.4695824216.

The spelling of 499563671 in words is "four hundred ninety-nine million, five hundred sixty-three thousand, six hundred seventy-one".