498256739 has 2 divisors, whose sum is σ = 498256740. Its totient is φ = 498256738.

The previous prime is 498256727. The next prime is 498256813. The reversal of 498256739 is 937652894.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498256739 - 2⁸ = 498256483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (498256039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249128369 + 249128370.

It is an arithmetic number, because the mean of its divisors is an integer number (249128370).

Almost surely, 2^498256739 is an apocalyptic number.

498256739 is a deficient number, since it is larger than the sum of its proper divisors (1).

498256739 is an equidigital number, since it uses as much as digits as its factorization.

498256739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 498256739 is about 22321.6652380596. The cubic root of 498256739 is about 792.7770337774. Note that the first 3 decimals are identical.

The spelling of 498256739 in words is "four hundred ninety-eight million, two hundred fifty-six thousand, seven hundred thirty-nine".