498579439 has 2 divisors, whose sum is σ = 498579440. Its totient is φ = 498579438.

The previous prime is 498579379. The next prime is 498579443. The reversal of 498579439 is 934975894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498579439 - 2¹³ = 498571247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498577439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249289719 + 249289720.

It is an arithmetic number, because the mean of its divisors is an integer number (249289720).

Almost surely, 2^498579439 is an apocalyptic number.

498579439 is a deficient number, since it is larger than the sum of its proper divisors (1).

498579439 is an equidigital number, since it uses as much as digits as its factorization.

498579439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 58.

The square root of 498579439 is about 22328.8924714147. The cubic root of 498579439 is about 792.9481463242.

The spelling of 498579439 in words is "four hundred ninety-eight million, five hundred seventy-nine thousand, four hundred thirty-nine".