498387913 has 2 divisors, whose sum is σ = 498387914. Its totient is φ = 498387912.

The previous prime is 498387907. The next prime is 498387937. The reversal of 498387913 is 319783894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485232784 + 13155129 = 22028^2 + 3627^2 .

It is a cyclic number.

It is not a de Polignac number, because 498387913 - 2⁹ = 498387401 is a prime.

It is not a weakly prime, because it can be changed into another prime (498387973) 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, 249193956 + 249193957.

It is an arithmetic number, because the mean of its divisors is an integer number (249193957).

Almost surely, 2^498387913 is an apocalyptic number.

It is an amenable number.

498387913 is a deficient number, since it is larger than the sum of its proper divisors (1).

498387913 is an equidigital number, since it uses as much as digits as its factorization.

498387913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 498387913 is about 22324.6033111453. The cubic root of 498387913 is about 792.8465980549.

The spelling of 498387913 in words is "four hundred ninety-eight million, three hundred eighty-seven thousand, nine hundred thirteen".