498387981719 has 2 divisors, whose sum is σ = 498387981720. Its totient is φ = 498387981718.

The previous prime is 498387981599. The next prime is 498387981797. The reversal of 498387981719 is 917189783894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498387981719 - 2³⁶ = 429668504983 is a prime.

It is a super-2 number, since 2×498387981719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498387981919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249193990859 + 249193990860.

It is an arithmetic number, because the mean of its divisors is an integer number (249193990860).

Almost surely, 2^498387981719 is an apocalyptic number.

498387981719 is a deficient number, since it is larger than the sum of its proper divisors (1).

498387981719 is an equidigital number, since it uses as much as digits as its factorization.

498387981719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 74.

The spelling of 498387981719 in words is "four hundred ninety-eight billion, three hundred eighty-seven million, nine hundred eighty-one thousand, seven hundred nineteen".