424368051208521 has 16 divisors (see below), whose sum is σ = 646731507686784. Its totient is φ = 242467743141504.

The previous prime is 424368051208511. The next prime is 424368051208523. The reversal of 424368051208521 is 125802150863424.

It is not a de Polignac number, because 424368051208521 - 2⁹ = 424368051208009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424368051208523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178404036 + ... + 1178764101.

It is an arithmetic number, because the mean of its divisors is an integer number (40420719230424).

Almost surely, 2^{424368051208521} is an apocalyptic number.

It is an amenable number.

424368051208521 is a deficient number, since it is larger than the sum of its proper divisors (222363456478263).

424368051208521 is a wasteful number, since it uses less digits than its factorization.

424368051208521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357176720.

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 424368051208521 in words is "four hundred twenty-four trillion, three hundred sixty-eight billion, fifty-one million, two hundred eight thousand, five hundred twenty-one".