499938001922 has 6 divisors (see below), whose sum is σ = 749908502793. Its totient is φ = 249968500992.

The previous prime is 499938001921. The next prime is 499938001949. The reversal of 499938001922 is 229100839994.

It can be written as a sum of positive squares in 2 ways, for example, as 325822914481 + 174115087441 = 570809^2 + 417271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=499969.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499938001921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 749954 + ... + 1249922.

Almost surely, 2^499938001922 is an apocalyptic number.

499938001922 is a deficient number, since it is larger than the sum of its proper divisors (249970500871).

499938001922 is an frugal number, since it uses more digits than its factorization.

499938001922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999940 (or 499971 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 499938001922 in words is "four hundred ninety-nine billion, nine hundred thirty-eight million, one thousand, nine hundred twenty-two".