499145263 has 4 divisors (see below), whose sum is σ = 503810280. Its totient is φ = 494480248.

The previous prime is 499145261. The next prime is 499145341. The reversal of 499145263 is 362541994.

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 499145263 - 2¹ = 499145261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499145261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332348 + ... + 2332561.

It is an arithmetic number, because the mean of its divisors is an integer number (125952570).

Almost surely, 2^499145263 is an apocalyptic number.

499145263 is a deficient number, since it is larger than the sum of its proper divisors (4665017).

499145263 is a wasteful number, since it uses less digits than its factorization.

499145263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665016.

The product of its digits is 233280, while the sum is 43.

The square root of 499145263 is about 22341.5590995794. The cubic root of 499145263 is about 793.2479978867.

The spelling of 499145263 in words is "four hundred ninety-nine million, one hundred forty-five thousand, two hundred sixty-three".