499819005 has 40 divisors (see below), whose sum is σ = 1023973632. Its totient is φ = 228487392.

The previous prime is 499818967. The next prime is 499819007. The reversal of 499819005 is 500918994.

It is not a de Polignac number, because 499819005 - 2⁶ = 499818941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499819007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85317 + ... + 90986.

Almost surely, 2^499819005 is an apocalyptic number.

499819005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

499819005 is an abundant number, since it is smaller than the sum of its proper divisors (524154627).

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

499819005 is a wasteful number, since it uses less digits than its factorization.

499819005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176327 (or 176318 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 499819005 is about 22356.6322374368. The cubic root of 499819005 is about 793.6047438746.

The spelling of 499819005 in words is "four hundred ninety-nine million, eight hundred nineteen thousand, five".