413243305044521 has 16 divisors (see below), whose sum is σ = 492812742918144. Its totient is φ = 338807590372944.

The previous prime is 413243305044497. The next prime is 413243305044529. The reversal of 413243305044521 is 125440503342314.

It is not a de Polignac number, because 413243305044521 - 2⁶ = 413243305044457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (413243305044529) 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, 108366776 + ... + 112115318.

It is an arithmetic number, because the mean of its divisors is an integer number (30800796432384).

Almost surely, 2^{413243305044521} is an apocalyptic number.

It is an amenable number.

413243305044521 is a deficient number, since it is larger than the sum of its proper divisors (79569437873623).

413243305044521 is a wasteful number, since it uses less digits than its factorization.

413243305044521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433300.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 413243305044521 its reverse (125440503342314), we get a palindrome (538683808386835).

The spelling of 413243305044521 in words is "four hundred thirteen trillion, two hundred forty-three billion, three hundred five million, forty-four thousand, five hundred twenty-one".