499844867 has 2 divisors, whose sum is σ = 499844868. Its totient is φ = 499844866.

The previous prime is 499844789. The next prime is 499844869. The reversal of 499844867 is 768448994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499844867 is a prime.

Together with 499844869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499844869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249922433 + 249922434.

It is an arithmetic number, because the mean of its divisors is an integer number (249922434).

Almost surely, 2^499844867 is an apocalyptic number.

499844867 is a deficient number, since it is larger than the sum of its proper divisors (1).

499844867 is an equidigital number, since it uses as much as digits as its factorization.

499844867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 59.

The square root of 499844867 is about 22357.2106265518. The cubic root of 499844867 is about 793.6184313973.

The spelling of 499844867 in words is "four hundred ninety-nine million, eight hundred forty-four thousand, eight hundred sixty-seven".