498185923 has 2 divisors, whose sum is σ = 498185924. Its totient is φ = 498185922.

The previous prime is 498185893. The next prime is 498185977. The reversal of 498185923 is 329581894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498185923 - 2⁹ = 498185411 is a prime.

It is not a weakly prime, because it can be changed into another prime (498185993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249092961 + 249092962.

It is an arithmetic number, because the mean of its divisors is an integer number (249092962).

Almost surely, 2^498185923 is an apocalyptic number.

498185923 is a deficient number, since it is larger than the sum of its proper divisors (1).

498185923 is an equidigital number, since it uses as much as digits as its factorization.

498185923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 498185923 is about 22320.0789201114. The cubic root of 498185923 is about 792.7394735171.

The spelling of 498185923 in words is "four hundred ninety-eight million, one hundred eighty-five thousand, nine hundred twenty-three".