498512389 has 2 divisors, whose sum is σ = 498512390. Its totient is φ = 498512388.

The previous prime is 498512363. The next prime is 498512393. The reversal of 498512389 is 983215894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484748289 + 13764100 = 22017^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 498512389 - 2⁹ = 498511877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498512089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249256194 + 249256195.

It is an arithmetic number, because the mean of its divisors is an integer number (249256195).

Almost surely, 2^498512389 is an apocalyptic number.

It is an amenable number.

498512389 is a deficient number, since it is larger than the sum of its proper divisors (1).

498512389 is an equidigital number, since it uses as much as digits as its factorization.

498512389 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 498512389 is about 22327.3910029811. The cubic root of 498512389 is about 792.9125989586.

The spelling of 498512389 in words is "four hundred ninety-eight million, five hundred twelve thousand, three hundred eighty-nine".