498167729 has 2 divisors, whose sum is σ = 498167730. Its totient is φ = 498167728.

The previous prime is 498167641. The next prime is 498167731. The reversal of 498167729 is 927761894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381030400 + 117137329 = 19520^2 + 10823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498167729 is a prime.

Together with 498167731, 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 (498167749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249083864 + 249083865.

It is an arithmetic number, because the mean of its divisors is an integer number (249083865).

Almost surely, 2^498167729 is an apocalyptic number.

It is an amenable number.

498167729 is a deficient number, since it is larger than the sum of its proper divisors (1).

498167729 is an equidigital number, since it uses as much as digits as its factorization.

498167729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The square root of 498167729 is about 22319.6713461467. The cubic root of 498167729 is about 792.7298229851.

The spelling of 498167729 in words is "four hundred ninety-eight million, one hundred sixty-seven thousand, seven hundred twenty-nine".