498612089 has 2 divisors, whose sum is σ = 498612090. Its totient is φ = 498612088.

The previous prime is 498612073. The next prime is 498612113. The reversal of 498612089 is 980216894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497959225 + 652864 = 22315^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 498612089 - 2⁴ = 498612073 is a prime.

It is a super-2 number, since 2×498612089² = 497228030593887842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498612589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249306044 + 249306045.

It is an arithmetic number, because the mean of its divisors is an integer number (249306045).

Almost surely, 2^498612089 is an apocalyptic number.

It is an amenable number.

498612089 is a deficient number, since it is larger than the sum of its proper divisors (1).

498612089 is an equidigital number, since it uses as much as digits as its factorization.

498612089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 498612089 is about 22329.6235749732. The cubic root of 498612089 is about 792.9654549614.

The spelling of 498612089 in words is "four hundred ninety-eight million, six hundred twelve thousand, eighty-nine".