498351913 has 2 divisors, whose sum is σ = 498351914. Its totient is φ = 498351912.

The previous prime is 498351907. The next prime is 498351961. The reversal of 498351913 is 319153894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465998569 + 32353344 = 21587^2 + 5688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498351913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 498351913.

It is not a weakly prime, because it can be changed into another prime (498351313) 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, 249175956 + 249175957.

It is an arithmetic number, because the mean of its divisors is an integer number (249175957).

Almost surely, 2^498351913 is an apocalyptic number.

It is an amenable number.

498351913 is a deficient number, since it is larger than the sum of its proper divisors (1).

498351913 is an equidigital number, since it uses as much as digits as its factorization.

498351913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 498351913 is about 22323.7970112613. The cubic root of 498351913 is about 792.8275077278.

The spelling of 498351913 in words is "four hundred ninety-eight million, three hundred fifty-one thousand, nine hundred thirteen".