499796129 has 12 divisors (see below), whose sum is σ = 581763204. Its totient is φ = 428125824.

The previous prime is 499796123. The next prime is 499796131. The reversal of 499796129 is 921697994.

It can be written as a sum of positive squares in 2 ways, for example, as 52896529 + 446899600 = 7273^2 + 21140^2 .

It is not a de Polignac number, because 499796129 - 2⁴ = 499796113 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499796123) 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 11 ways as a sum of consecutive naturals, for example, 134237 + ... + 137909.

It is an arithmetic number, because the mean of its divisors is an integer number (48480267).

Almost surely, 2^499796129 is an apocalyptic number.

499796129 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

499796129 is a deficient number, since it is larger than the sum of its proper divisors (81967075).

499796129 is a wasteful number, since it uses less digits than its factorization.

499796129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464 (or 6457 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 56.

The square root of 499796129 is about 22356.1206160640. The cubic root of 499796129 is about 793.5926363058.

The spelling of 499796129 in words is "four hundred ninety-nine million, seven hundred ninety-six thousand, one hundred twenty-nine".