498634919 has 2 divisors, whose sum is σ = 498634920. Its totient is φ = 498634918.

The previous prime is 498634889. The next prime is 498634921. The reversal of 498634919 is 919436894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498634919 - 2⁸ = 498634663 is a prime.

It is a super-2 number, since 2×498634919² = 497273564892273122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 498634921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498634519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249317459 + 249317460.

It is an arithmetic number, because the mean of its divisors is an integer number (249317460).

Almost surely, 2^498634919 is an apocalyptic number.

498634919 is a deficient number, since it is larger than the sum of its proper divisors (1).

498634919 is an equidigital number, since it uses as much as digits as its factorization.

498634919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 498634919 is about 22330.1347734401. The cubic root of 498634919 is about 792.9775573054.

The spelling of 498634919 in words is "four hundred ninety-eight million, six hundred thirty-four thousand, nine hundred nineteen".