499169405 has 64 divisors (see below), whose sum is σ = 732810240. Its totient is φ = 319334400.

The previous prime is 499169389. The next prime is 499169459. The reversal of 499169405 is 504961994.

It is not a de Polignac number, because 499169405 - 2⁴ = 499169389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 499169405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5608601 + ... + 5608689.

It is an arithmetic number, because the mean of its divisors is an integer number (11450160).

Almost surely, 2^499169405 is an apocalyptic number.

It is an amenable number.

499169405 is a deficient number, since it is larger than the sum of its proper divisors (233640835).

499169405 is a wasteful number, since it uses less digits than its factorization.

499169405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 499169405 is about 22342.0993865841. The cubic root of 499169405 is about 793.2607866050.

The spelling of 499169405 in words is "four hundred ninety-nine million, one hundred sixty-nine thousand, four hundred five".