498272609 has 2 divisors, whose sum is σ = 498272610. Its totient is φ = 498272608.

The previous prime is 498272569. The next prime is 498272611. The reversal of 498272609 is 906272894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420127009 + 78145600 = 20497^2 + 8840^2 .

It is a cyclic number.

It is not a de Polignac number, because 498272609 - 2⁸ = 498272353 is a prime.

Together with 498272611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (498272629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249136304 + 249136305.

It is an arithmetic number, because the mean of its divisors is an integer number (249136305).

Almost surely, 2^498272609 is an apocalyptic number.

It is an amenable number.

498272609 is a deficient number, since it is larger than the sum of its proper divisors (1).

498272609 is an equidigital number, since it uses as much as digits as its factorization.

498272609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 498272609 is about 22322.0207194600. The cubic root of 498272609 is about 792.7854506148.

The spelling of 498272609 in words is "four hundred ninety-eight million, two hundred seventy-two thousand, six hundred nine".