499869031 has 2 divisors, whose sum is σ = 499869032. Its totient is φ = 499869030.

The previous prime is 499868987. The next prime is 499869061. The reversal of 499869031 is 130968994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499869031 - 2⁷ = 499868903 is a prime.

It is a super-2 number, since 2×499869031² = 499738096305757922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499869061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249934515 + 249934516.

It is an arithmetic number, because the mean of its divisors is an integer number (249934516).

Almost surely, 2^499869031 is an apocalyptic number.

499869031 is a deficient number, since it is larger than the sum of its proper divisors (1).

499869031 is an equidigital number, since it uses as much as digits as its factorization.

499869031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 499869031 is about 22357.7510273283. The cubic root of 499869031 is about 793.6312198230.

The spelling of 499869031 in words is "four hundred ninety-nine million, eight hundred sixty-nine thousand, thirty-one".