499154107 has 4 divisors (see below), whose sum is σ = 499555000. Its totient is φ = 498753216.

The previous prime is 499154099. The next prime is 499154167. The reversal of 499154107 is 701451994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499154107 - 2³ = 499154099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499154107.

It is not an unprimeable number, because it can be changed into a prime (499154167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198573 + ... + 201070.

It is an arithmetic number, because the mean of its divisors is an integer number (124888750).

Almost surely, 2^499154107 is an apocalyptic number.

499154107 is a deficient number, since it is larger than the sum of its proper divisors (400893).

499154107 is a wasteful number, since it uses less digits than its factorization.

499154107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400892.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 499154107 is about 22341.7570258026. The cubic root of 499154107 is about 793.2526828581.

The spelling of 499154107 in words is "four hundred ninety-nine million, one hundred fifty-four thousand, one hundred seven".