499648149 has 192 divisors, whose sum is σ = 1072512000. Its totient is φ = 225348480.

The previous prime is 499648129. The next prime is 499648151. The reversal of 499648149 is 941846994.

It is a happy number.

499648149 is a `hidden beast` number, since 499 + 6 + 4 + 8 + 149 = 666.

It is not a de Polignac number, because 499648149 - 2⁸ = 499647893 is a prime.

Its product of digits (2239488) is a multiple of the sum of its prime divisors (192).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499648095 and 499648104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499648129) 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 191 ways as a sum of consecutive naturals, for example, 3594522 + ... + 3594660.

It is an arithmetic number, because the mean of its divisors is an integer number (5586000).

Almost surely, 2^499648149 is an apocalyptic number.

499648149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

499648149 is an abundant number, since it is smaller than the sum of its proper divisors (572863851).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499648149 is a wasteful number, since it uses less digits than its factorization.

499648149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 192 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 499648149 is about 22352.8107628549. The cubic root of 499648149 is about 793.5143060803.

The spelling of 499648149 in words is "four hundred ninety-nine million, six hundred forty-eight thousand, one hundred forty-nine".