499861313 has 16 divisors (see below), whose sum is σ = 592932480. Its totient is φ = 412304256.

The previous prime is 499861303. The next prime is 499861331. The reversal of 499861313 is 313168994.

It is not a de Polignac number, because 499861313 - 2¹⁰ = 499860289 is a prime.

It is a super-2 number, since 2×499861313² = 499722664468167938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499861303) 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, 59606 + ... + 67472.

It is an arithmetic number, because the mean of its divisors is an integer number (37058280).

Almost surely, 2^499861313 is an apocalyptic number.

It is an amenable number.

499861313 is a deficient number, since it is larger than the sum of its proper divisors (93071167).

499861313 is a wasteful number, since it uses less digits than its factorization.

499861313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216.

The product of its digits is 139968, while the sum is 44.

The square root of 499861313 is about 22357.5784243285. The cubic root of 499861313 is about 793.6271352349.

The spelling of 499861313 in words is "four hundred ninety-nine million, eight hundred sixty-one thousand, three hundred thirteen".