498750689 has 2 divisors, whose sum is σ = 498750690. Its totient is φ = 498750688.

The previous prime is 498750619. The next prime is 498750731. The reversal of 498750689 is 986057894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494617600 + 4133089 = 22240^2 + 2033^2 .

It is a cyclic number.

It is not a de Polignac number, because 498750689 - 2²⁴ = 481973473 is a prime.

It is not a weakly prime, because it can be changed into another prime (498750619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249375344 + 249375345.

It is an arithmetic number, because the mean of its divisors is an integer number (249375345).

Almost surely, 2^498750689 is an apocalyptic number.

It is an amenable number.

498750689 is a deficient number, since it is larger than the sum of its proper divisors (1).

498750689 is an equidigital number, since it uses as much as digits as its factorization.

498750689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 498750689 is about 22332.7268599247. The cubic root of 498750689 is about 793.0389221132.

The spelling of 498750689 in words is "four hundred ninety-eight million, seven hundred fifty thousand, six hundred eighty-nine".