499821627 has 16 divisors (see below), whose sum is σ = 682248960. Its totient is φ = 325380000.

The previous prime is 499821613. The next prime is 499821643. The reversal of 499821627 is 726128994.

It is not a de Polignac number, because 499821627 - 2¹⁸ = 499559483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499821667) 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 15 ways as a sum of consecutive naturals, for example, 17377 + ... + 36077.

It is an arithmetic number, because the mean of its divisors is an integer number (42640560).

Almost surely, 2^499821627 is an apocalyptic number.

499821627 is a deficient number, since it is larger than the sum of its proper divisors (182427333).

499821627 is a wasteful number, since it uses less digits than its factorization.

499821627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914.

The product of its digits is 435456, while the sum is 48.

The square root of 499821627 is about 22356.6908776769. The cubic root of 499821627 is about 793.6061315957.

The spelling of 499821627 in words is "four hundred ninety-nine million, eight hundred twenty-one thousand, six hundred twenty-seven".