5621556412 has 24 divisors (see below), whose sum is σ = 10082777040. Its totient is φ = 2740832640.

The previous prime is 5621556377. The next prime is 5621556433. The reversal of 5621556412 is 2146551265.

It is a congruent number.

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, 364563 + ... + 379669.

It is an arithmetic number, because the mean of its divisors is an integer number (420115710).

Almost surely, 2^5621556412 is an apocalyptic number.

It is an amenable number.

5621556412 is a deficient number, since it is larger than the sum of its proper divisors (4461220628).

5621556412 is a wasteful number, since it uses less digits than its factorization.

5621556412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17421 (or 17419 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 5621556412 is about 74977.0392320209. The cubic root of 5621556412 is about 1778.0836603804.

The spelling of 5621556412 in words is "five billion, six hundred twenty-one million, five hundred fifty-six thousand, four hundred twelve".