2421287684352 has 54 divisors (see below), whose sum is σ = 6981169315302. Its totient is φ = 807095894016.

The previous prime is 2421287684351. The next prime is 2421287684381. The reversal of 2421287684352 is 2534867821242.

2421287684352 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 287 + 6 + 8 + 4 + 352 = 666.

2421287684352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2284257413376 + 137030270976 = 1511376^2 + 370176^2 .

It is not an unprimeable number, because it can be changed into a prime (2421287684351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525450753 + ... + 525455360.

Almost surely, 2^{2421287684352} is an apocalyptic number.

It is an amenable number.

2421287684352 is an abundant number, since it is smaller than the sum of its proper divisors (4559881630950).

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

2421287684352 is a wasteful number, since it uses less digits than its factorization.

2421287684352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050906135 (or 1050906118 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 2421287684352 in words is "two trillion, four hundred twenty-one billion, two hundred eighty-seven million, six hundred eighty-four thousand, three hundred fifty-two".