6413553846 has 72 divisors (see below), whose sum is σ = 16386373224. Its totient is φ = 1807323840.

The previous prime is 6413553821. The next prime is 6413553851. The reversal of 6413553846 is 6483553146.

6413553846 is a `hidden beast` number, since 6 + 4 + 13 + 553 + 84 + 6 = 666.

It is a super-2 number, since 2×6413553846² = 82267345871082783432, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 14581 + ... + 114191.

It is an arithmetic number, because the mean of its divisors is an integer number (227588517).

Almost surely, 2^6413553846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6413553846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8193186612).

6413553846 is an abundant number, since it is smaller than the sum of its proper divisors (9972819378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6413553846 is a wasteful number, since it uses less digits than its factorization.

6413553846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99706 (or 99696 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 6413553846 is about 80084.6667346503. Note that the first 3 decimals coincide. The cubic root of 6413553846 is about 1857.9452630582.

The spelling of 6413553846 in words is "six billion, four hundred thirteen million, five hundred fifty-three thousand, eight hundred forty-six".