5221837984321 has 128 divisors (see below), whose sum is σ = 6581964800000. Its totient is φ = 4132753954560.

The previous prime is 5221837984249. The next prime is 5221837984327. The reversal of 5221837984321 is 1234897381225.

It is a happy number.

It is not a de Polignac number, because 5221837984321 - 2²⁹ = 5221301113409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221837984327) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10464604930 + ... + 10464605428.

It is an arithmetic number, because the mean of its divisors is an integer number (51421600000).

Almost surely, 2^{5221837984321} is an apocalyptic number.

It is an amenable number.

5221837984321 is a deficient number, since it is larger than the sum of its proper divisors (1360126815679).

5221837984321 is a wasteful number, since it uses less digits than its factorization.

5221837984321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1038 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 5221837984321 in words is "five trillion, two hundred twenty-one billion, eight hundred thirty-seven million, nine hundred eighty-four thousand, three hundred twenty-one".