499453816 has 8 divisors (see below), whose sum is σ = 936475920. Its totient is φ = 249726904.

The previous prime is 499453807. The next prime is 499453847. The reversal of 499453816 is 618354994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×499453816² = 498908228633923712, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 499453816 parts by 31605 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 499453816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31215856 + ... + 31215871.

It is an arithmetic number, because the mean of its divisors is an integer number (117059490).

Almost surely, 2^499453816 is an apocalyptic number.

It is an amenable number.

499453816 is a deficient number, since it is larger than the sum of its proper divisors (437022104).

499453816 is a wasteful number, since it uses less digits than its factorization.

499453816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62431733 (or 62431729 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 499453816 is about 22348.4633923677. The cubic root of 499453816 is about 793.4114163351.

The spelling of 499453816 in words is "four hundred ninety-nine million, four hundred fifty-three thousand, eight hundred sixteen".