499119691 has 16 divisors (see below), whose sum is σ = 585224640. Its totient is φ = 416747520.

The previous prime is 499119689. The next prime is 499119697. The reversal of 499119691 is 196911994.

It is a happy number.

It is not a de Polignac number, because 499119691 - 2¹ = 499119689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499119697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348565 + ... + 349993.

It is an arithmetic number, because the mean of its divisors is an integer number (36576540).

Almost surely, 2^499119691 is an apocalyptic number.

499119691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

499119691 is a deficient number, since it is larger than the sum of its proper divisors (86104949).

499119691 is a wasteful number, since it uses less digits than its factorization.

499119691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its digits is 157464, while the sum is 49.

The square root of 499119691 is about 22340.9867955737. The cubic root of 499119691 is about 793.2344512062.

The spelling of 499119691 in words is "four hundred ninety-nine million, one hundred nineteen thousand, six hundred ninety-one".