4021559433616 has 40 divisors (see below), whose sum is σ = 7802907984704. Its totient is φ = 2007906744960.

The previous prime is 4021559433589. The next prime is 4021559433629. The reversal of 4021559433616 is 6163349551204.

4021559433616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4021559433616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72936490 + ... + 72991606.

Almost surely, 2^{4021559433616} is an apocalyptic number.

It is an amenable number.

4021559433616 is a deficient number, since it is larger than the sum of its proper divisors (3781348551088).

4021559433616 is a wasteful number, since it uses less digits than its factorization.

4021559433616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61559 (or 61553 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 4021559433616 in words is "four trillion, twenty-one billion, five hundred fifty-nine million, four hundred thirty-three thousand, six hundred sixteen".