498439481 has 2 divisors, whose sum is σ = 498439482. Its totient is φ = 498439480.

The previous prime is 498439477. The next prime is 498439511. The reversal of 498439481 is 184934894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498405625 + 33856 = 22325^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 498439481 - 2² = 498439477 is a prime.

It is a super-2 number, since 2×498439481² = 496883832439098722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (198439481) 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, 249219740 + 249219741.

It is an arithmetic number, because the mean of its divisors is an integer number (249219741).

Almost surely, 2^498439481 is an apocalyptic number.

It is an amenable number.

498439481 is a deficient number, since it is larger than the sum of its proper divisors (1).

498439481 is an equidigital number, since it uses as much as digits as its factorization.

498439481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The square root of 498439481 is about 22325.7582402032. The cubic root of 498439481 is about 792.8739422863.

The spelling of 498439481 in words is "four hundred ninety-eight million, four hundred thirty-nine thousand, four hundred eighty-one".