499981463 has 4 divisors (see below), whose sum is σ = 500848560. Its totient is φ = 499114368.

The previous prime is 499981457. The next prime is 499981519. The reversal of 499981463 is 364189994.

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 499981463 - 2¹² = 499977367 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 (499981063) 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, 432683 + ... + 433836.

It is an arithmetic number, because the mean of its divisors is an integer number (125212140).

Almost surely, 2^499981463 is an apocalyptic number.

499981463 is a deficient number, since it is larger than the sum of its proper divisors (867097).

499981463 is an equidigital number, since it uses as much as digits as its factorization.

499981463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867096.

The product of its digits is 1679616, while the sum is 53.

The square root of 499981463 is about 22360.2652712350. The cubic root of 499981463 is about 793.6907173118.

The spelling of 499981463 in words is "four hundred ninety-nine million, nine hundred eighty-one thousand, four hundred sixty-three".