6221915458248 has 128 divisors (see below), whose sum is σ = 18062714880000. Its totient is φ = 1749207210240.

The previous prime is 6221915458243. The next prime is 6221915458259. The reversal of 6221915458248 is 8428545191226.

It is not an unprimeable number, because it can be changed into a prime (6221915458243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5558953 + ... + 6583751.

It is an arithmetic number, because the mean of its divisors is an integer number (141114960000).

Almost surely, 2^{6221915458248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6221915458248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9031357440000).

6221915458248 is an abundant number, since it is smaller than the sum of its proper divisors (11840799421752).

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

6221915458248 is a wasteful number, since it uses less digits than its factorization.

6221915458248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025395 (or 1025391 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 57.

The spelling of 6221915458248 in words is "six trillion, two hundred twenty-one billion, nine hundred fifteen million, four hundred fifty-eight thousand, two hundred forty-eight".