499469949 has 16 divisors (see below), whose sum is σ = 807224640. Its totient is φ = 302708880.

The previous prime is 499469921. The next prime is 499469959. The reversal of 499469949 is 949964994.

It is not a de Polignac number, because 499469949 - 2⁷ = 499469821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499469959) 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, 840562 + ... + 841155.

It is an arithmetic number, because the mean of its divisors is an integer number (50451540).

Almost surely, 2^499469949 is an apocalyptic number.

It is an amenable number.

499469949 is a deficient number, since it is larger than the sum of its proper divisors (307754691).

499469949 is a wasteful number, since it uses less digits than its factorization.

499469949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681737 (or 1681731 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 63.

The square root of 499469949 is about 22348.8243314945. The cubic root of 499469949 is about 793.4199589792.

It can be divided in two parts, 49946 and 9949, that added together give a palindrome (59895).

The spelling of 499469949 in words is "four hundred ninety-nine million, four hundred sixty-nine thousand, nine hundred forty-nine".